C312322331333132212111133133313331333133312121111331333221333132323131122311   >>    C31232233133313221211113313331333133313331212111133133322133313232313112231   <<    C312322331333132212111133133313331333133312121111331333221333132323131122313   >>      C312322331333132212111133133313331333133312121111331333221333132323131122312   >>