basic/
basic/a
basic/b
basic/c
basic/e
basic/g
basic/i
basic/j
basic/k
basic/l
basic/c/d
basic/e/f
basic/g/h
basic/j/foo
basic/k/foo
basic/l/foo
basic/k/foo/bar
basic/l/foo/bar
basic/l/foo/bar/baz