C3132121111133313233121111331333133313331333133313331333131133133313231122331   >>    C313212111113331323312111133133313331333133313331333133313113313331323112233   <<    C3132121111133313233121111331333133313331333133313331333131133133313231122333   >>      C3132121111133313233121111331333133313331333133313331333131133133313231122332   >>