C3132121111133313233121111331333133313331333133313331333133313331312313331221   >>    C313212111113331323312111133133313331333133313331333133313331333131231333122   <<    C3132121111133313233121111331333133313331333133313331333133313331312313331223   >>      C3132121111133313233121111331333133313331333133313331333133313331312313331222   >>