touch A/B/foo
touch A/B/bar
touch A/B/baz
touch A/B/C/foo
touch A/B/C/bar
touch A/B/C/baz
log
index l0
rm A/B/foo
rm A/B/bar
rm A/B/baz
rm A/B/C/foo
rm A/B/C/bar
rm A/B/C/baz
rd A/B/C
rd A/B
log
index l1
exit
