C312322331333132212111133133313113313331333133112213113313131221   >>    C31232233133313221211113313331311331333133313311221311331313122   <<    C312322331333132212111133133313113313331333133112213113313131223   >>      C312322331333132212111133133313113313331333133112213113313131222   >>