foo(0u16, _) ==> <<FALSE>>
foo(1u16, "one")
foo(2u16, _) ==> <<FALSE>>
foo(3u16, "three")
foo(4u16, _) ==> <<FALSE>>
foo(5u16, "five")
foo(6u16, _) ==> <<FALSE>>
foo(7u16, "seven")
foo(8u16, _) ==> <<FALSE>>