C312322331333132212111133133313331333133322131211113313113313231333211221   >>    C31232233133313221211113313331333133313332213121111331311331323133321122   <<    C312322331333132212111133133313331333133322131211113313113313231333211223   >>      C312322331333132212111133133313331333133322131211113313113313231333211222   >>