foo(0u32, _) ==> <<FALSE>>
foo(1u32, "one")
foo(2u32, _) ==> <<FALSE>>
foo(3u32, "three")
foo(4u32, _) ==> <<FALSE>>
foo(5u32, "five")
foo(6u32, _) ==> <<FALSE>>
foo(7u32, "seven")
foo(8u32, _) ==> <<FALSE>>