C13223313311212111133133313331333133313232233133313331333221231311   >>    C1322331331121211113313331333133313331323223313331333133322123131   <<    C13223313311212111133133313331333133313232233133313331333221231313   >>      C13223313311212111133133313331333133313232233133313331333221231312   >>