C1111233131211111211113313331333133313331122212111112111112111133133322122331   >>    C111123313121111121111331333133313331333112221211111211111211113313332212233   <<    C1111233131211111211113313331333133313331122212111112111112111133133322122333   >>      C1111233131211111211113313331333133313331122212111112111112111133133322122332   >>