C312322331333132212111133133313331333133322131211113321123231211   >>    C31232233133313221211113313331333133313332213121111332112323121   <<    C312322331333132212111133133313331333133322131211113321123231213   >>      C312322331333132212111133133313331333133322131211113321123231212   >>