C312322331333132212111133133313331333133312121111121111123123313113231   >>    C31232233133313221211113313331333133313331212111112111112312331311323   <<    C312322331333132212111133133313331333133312121111121111123123313113233   >>      C312322331333132212111133133313331333133312121111121111123123313113232   >>