C3123223313331322121111331333133313331311331133133313231313331333133323131211   >>    C312322331333132212111133133313331333131133113313331323131333133313332313121   <<    C3123223313331322121111331333133313331311331133133313231313331333133323131213   >>      C3123223313331322121111331333133313331311331133133313231313331333133323131212   >>