depth 0, size 0, width 20 [] array([]) array([]) version_array([]) version_array([]) {} {...} {...} {...} {...} map([]) map([]) leaf In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 0, size 0, width 40 [] array([]) array([]) version_array([]) version_array([]) {} {...} {...} {...} {...} map([]) map([]) leaf In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 0, size 0, width 80 [] array([]) array([]) version_array([]) version_array([]) {} {...} {...} {...} {...} map([]) map([]) leaf In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 0, size 1, width 20 [...] array([...]) array([...]) version_array([...]) version_array([...]) {} {...} {...} {...} {...} map([...]) map([...]) branch/3 In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 0, size 1, width 40 [...] array([...]) array([...]) version_array([...]) version_array([...]) {} {...} {...} {...} {...} map([...]) map([...]) branch/3 In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 0, size 1, width 80 [...] array([...]) array([...]) version_array([...]) version_array([...]) {} {...} {...} {...} {...} map([...]) map([...]) branch/3 In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 0, size 3, width 20 [...] array([...]) array([...]) version_array([...]) version_array([...]) {} {...} {...} {...} {...} map([...]) map([...]) branch/3 In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 0, size 3, width 40 [...] array([...]) array([...]) version_array([...]) version_array([...]) {} {...} {...} {...} {...} map([...]) map([...]) branch/3 In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 0, size 3, width 80 [...] array([...]) array([...]) version_array([...]) version_array([...]) {} {...} {...} {...} {...} map([...]) map([...]) branch/3 In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 0, size 5, width 20 [...] array([...]) array([...]) version_array([...]) version_array([...]) {} {...} {...} {...} {...} map([...]) map([...]) branch/3 In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 0, size 5, width 40 [...] array([...]) array([...]) version_array([...]) version_array([...]) {} {...} {...} {...} {...} map([...]) map([...]) branch/3 In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 0, size 5, width 80 [...] array([...]) array([...]) version_array([...]) version_array([...]) {} {...} {...} {...} {...} map([...]) map([...]) branch/3 In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 5, size 0, width 20 [] array([]) array([]) version_array([]) version_array([]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, ...} map([]) map([]) leaf In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 5, size 0, width 40 [] array([]) array([]) version_array([]) version_array([]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, ...} map([]) map([]) leaf In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 5, size 0, width 80 [] array([]) array([]) version_array([]) version_array([]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, ...} map([]) map([]) leaf In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 5, size 1, width 20 [1] array([[1]]) array([[1]]) version_array([[1]]) version_array([[1]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, ...} map([1 -> [1]]) map([1 -> [1]]) branch(leaf, 1, leaf) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 5, size 1, width 40 [1] array([[1]]) array([[1]]) version_array([[1]]) version_array([[1]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, ...} map([1 -> [1]]) map([1 -> [1]]) branch(leaf, 1, leaf) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 5, size 1, width 80 [1] array([[1]]) array([[1]]) version_array([[1]]) version_array([[1]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, ...} map([1 -> [1]]) map([1 -> [1]]) branch(leaf, 1, leaf) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 5, size 3, width 20 [1, 2, 3] array([[1], [1], [1]]) array([ [1, 2, ...], [1, 2, ...], [1, 2, ...]]) version_array([ [1], [1], [1]]) version_array([ [1, 2, ...], [1, 2, ...], [1, 2, ...]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, ...} map([1 -> [1], 2 -> [1], 3 -> [1]]) map([ 1 -> [1, ...], 2 -> [1, ...], 3 -> [1, ...]]) branch( branch( branch(leaf, 1, ...), 2, branch(leaf, 1, ...)), 3, branch( branch(leaf, 1, ...), 2, branch(leaf, 1, ...))) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 5, size 3, width 40 [1, 2, 3] array([[1], [1], [1]]) array([[1, 2, ...], [1, 2, ...], [1, 2, ...]]) version_array([[1], [1], [1]]) version_array([[1, 2, ...], [1, 2, ...], [1, 2, ...]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, ...} map([1 -> [1], 2 -> [1], 3 -> [1]]) map([1 -> [1, ...], 2 -> [1, ...], 3 -> [1, ...]]) branch( branch(branch(leaf, 1, ...), 2, branch(leaf, 1, ...)), 3, branch(branch(leaf, 1, ...), 2, branch(leaf, 1, ...))) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 5, size 3, width 80 [1, 2, 3] array([[1], [1], [1]]) array([[1, 2, ...], [1, 2, ...], [1, 2, ...]]) version_array([[1], [1], [1]]) version_array([[1, 2, ...], [1, 2, ...], [1, 2, ...]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, ...} map([1 -> [1], 2 -> [1], 3 -> [1]]) map([1 -> [1, ...], 2 -> [1, ...], 3 -> [1, ...]]) branch(branch(branch(leaf, 1, ...), 2, branch(leaf, 1, ...)), 3, branch(branch(leaf, 1, ...), 2, branch(leaf, 1, ...))) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 5, size 5, width 20 [1, 2, 3, 4, ...] array([[1], [1], [1], ...]) array([ [1, 2, ...], [1, 2, ...], [1, 2, ...], ...]) version_array([ [1], [1], [1], ...]) version_array([ [1, 2, ...], [1, 2, ...], [1, 2, ...], ...]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, ...} map([1 -> [1], 2 -> [1], 3 -> [1], ...]) map([ 1 -> [1, ...], 2 -> [1, ...], 3 -> [1, ...], ...]) branch( branch( branch( branch( branch(...), ...), 3, ...), 4, branch( branch( branch(...), ...), 3, ...)), 5, branch( branch( branch( branch(...), ...), 3, ...), 4, branch( branch( branch(...), ...), 3, ...))) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 5, size 5, width 40 [1, 2, 3, 4, ...] array([[1], [1], [1], ...]) array([[1, 2, ...], [1, 2, ...], [1, 2, ...], ...]) version_array([[1], [1], [1], ...]) version_array([[1, 2, ...], [1, 2, ...], [1, 2, ...], ...]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, ...} map([1 -> [1], 2 -> [1], 3 -> [1], ...]) map([1 -> [1, ...], 2 -> [1, ...], 3 -> [1, ...], ...]) branch( branch( branch(branch(branch(...), ...), 3, ...), 4, branch(branch(branch(...), ...), 3, ...)), 5, branch( branch(branch(branch(...), ...), 3, ...), 4, branch(branch(branch(...), ...), 3, ...))) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 5, size 5, width 80 [1, 2, 3, 4, ...] array([[1], [1], [1], ...]) array([[1, 2, ...], [1, 2, ...], [1, 2, ...], ...]) version_array([[1], [1], [1], ...]) version_array([[1, 2, ...], [1, 2, ...], [1, 2, ...], ...]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, ...} map([1 -> [1], 2 -> [1], 3 -> [1], ...]) map([1 -> [1, ...], 2 -> [1, ...], 3 -> [1, ...], ...]) branch( branch(branch(branch(branch(...), ...), 3, ...), 4, branch(branch(branch(...), ...), 3, ...)), 5, branch(branch(branch(branch(...), ...), 3, ...), 4, branch(branch(branch(...), ...), 3, ...))) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 1000, size 0, width 20 [] array([]) array([]) version_array([]) version_array([]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} map([]) map([]) leaf In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 1000, size 0, width 40 [] array([]) array([]) version_array([]) version_array([]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} map([]) map([]) leaf In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 1000, size 0, width 80 [] array([]) array([]) version_array([]) version_array([]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} map([]) map([]) leaf In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 1000, size 1, width 20 [1] array([[1]]) array([[1]]) version_array([[1]]) version_array([[1]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} map([1 -> [1]]) map([1 -> [1]]) branch(leaf, 1, leaf) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 1000, size 1, width 40 [1] array([[1]]) array([[1]]) version_array([[1]]) version_array([[1]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} map([1 -> [1]]) map([1 -> [1]]) branch(leaf, 1, leaf) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 1000, size 1, width 80 [1] array([[1]]) array([[1]]) version_array([[1]]) version_array([[1]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} map([1 -> [1]]) map([1 -> [1]]) branch(leaf, 1, leaf) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 1000, size 3, width 20 [1, 2, 3] array([[1], [1], [1]]) array([[1, 2, 3], [1, 2, 3], [1, 2, 3]]) version_array([ [1], [1], [1]]) version_array([ [1, 2, 3], [1, 2, 3], [1, 2, 3]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} map([1 -> [1], 2 -> [1], 3 -> [1]]) map([ 1 -> [1, 2, 3], 2 -> [1, 2, 3], 3 -> [1, 2, 3]]) branch( branch( branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf)), 3, branch( branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf))) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 1000, size 3, width 40 [1, 2, 3] array([[1], [1], [1]]) array([[1, 2, 3], [1, 2, 3], [1, 2, 3]]) version_array([[1], [1], [1]]) version_array([[1, 2, 3], [1, 2, 3], [1, 2, 3]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} map([1 -> [1], 2 -> [1], 3 -> [1]]) map([1 -> [1, 2, 3], 2 -> [1, 2, 3], 3 -> [1, 2, 3]]) branch( branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf)), 3, branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf))) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 1000, size 3, width 80 [1, 2, 3] array([[1], [1], [1]]) array([[1, 2, 3], [1, 2, 3], [1, 2, 3]]) version_array([[1], [1], [1]]) version_array([[1, 2, 3], [1, 2, 3], [1, 2, 3]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} map([1 -> [1], 2 -> [1], 3 -> [1]]) map([1 -> [1, 2, 3], 2 -> [1, 2, 3], 3 -> [1, 2, 3]]) branch(branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf)), 3, branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf))) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 1000, size 5, width 20 [1, 2, 3, 4, 5] array([[1], [1], [1], [1], [1]]) array([ [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5]]) version_array([ [1], [1], [1], [1], [1]]) version_array([ [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} map([1 -> [1], 2 -> [1], 3 -> [1], 4 -> [1], 5 -> [1]]) map([ 1 -> [1, 2, 3, 4, 5], 2 -> [1, 2, 3, 4, 5], 3 -> [1, 2, 3, 4, 5], 4 -> [1, 2, 3, 4, 5], 5 -> [1, 2, 3, 4, 5]]) branch( branch( branch( branch( branch( leaf, 1, leaf), 2, branch( leaf, 1, leaf)), 3, branch( branch( leaf, 1, leaf), 2, branch( leaf, 1, leaf))), 4, branch( branch( branch( leaf, 1, leaf), 2, branch( leaf, 1, leaf)), 3, branch( branch( leaf, 1, leaf), 2, branch( leaf, 1, leaf)))), 5, branch( branch( branch( branch( leaf, 1, leaf), 2, branch( leaf, 1, leaf)), 3, branch( branch( leaf, 1, leaf), 2, branch( leaf, 1, leaf))), 4, branch( branch( branch( leaf, 1, leaf), 2, branch( leaf, 1, leaf)), 3, branch( branch( leaf, 1, leaf), 2, branch( leaf, 1, leaf))))) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 1000, size 5, width 40 [1, 2, 3, 4, 5] array([[1], [1], [1], [1], [1]]) array([[1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5]]) version_array([[1], [1], [1], [1], [1]]) version_array([[1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} map([1 -> [1], 2 -> [1], 3 -> [1], 4 -> [1], 5 -> [1]]) map([1 -> [1, 2, 3, 4, 5], 2 -> [1, 2, 3, 4, 5], 3 -> [1, 2, 3, 4, 5], 4 -> [1, 2, 3, 4, 5], 5 -> [1, 2, 3, 4, 5]]) branch( branch( branch( branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf)), 3, branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf))), 4, branch( branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf)), 3, branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf)))), 5, branch( branch( branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf)), 3, branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf))), 4, branch( branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf)), 3, branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf))))) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover! depth 1000, size 5, width 80 [1, 2, 3, 4, 5] array([[1], [1], [1], [1], [1]]) array([[1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5]]) version_array([[1], [1], [1], [1], [1]]) version_array([[1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2, 3, 4, 5]]) {} {1} {1, 2} {1, 2, 3} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} map([1 -> [1], 2 -> [1], 3 -> [1], 4 -> [1], 5 -> [1]]) map([1 -> [1, 2, 3, 4, 5], 2 -> [1, 2, 3, 4, 5], 3 -> [1, 2, 3, 4, 5], 4 -> [1, 2, 3, 4, 5], 5 -> [1, 2, 3, 4, 5]]) branch( branch( branch(branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf)), 3, branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf))), 4, branch(branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf)), 3, branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf)))), 5, branch( branch(branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf)), 3, branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf))), 4, branch(branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf)), 3, branch(branch(leaf, 1, leaf), 2, branch(leaf, 1, leaf))))) In Xanadu did Kubla Khan A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled round: And here were gardens bright with sinuous rills Where blossomed many an incense-bearing tree; And here were forests ancient as the hills, Enfolding sunny spots of greenery. But oh! that deep romantic chasm which slanted Down the green hill athwart a cedarn cover! A savage place! as holy and enchanted As e'er beneath a waning moon was haunted By woman wailing for her demon-lover!