C312322331333132212111133133313331333133322131211113313123232331   >>    C31232233133313221211113313331333133313332213121111331312323233   <<    C312322331333132212111133133313331333133322131211113313123232333   >>      C312322331333132212111133133313331333133322131211113313123232332   >>