! incomplete_ok:no repeat_ok:no
6/6 A x
6/6 B X
6/6 B X
6/6 A x

6/6 A x
6/6 B X
6/6 B X
6/6 A x

6/6 C X
6/6 C X
6/6 D x

6/6 E X
6/6 D x
6/6 E X