C222133313331333131123313231333133313331323212331333133313121111132323321111   >>    C22213331333133313112331323133313331333132321233133313331312111113232332111   <<    C222133313331333131123313231333133313331323212331333133313121111132323321113   >>      C222133313331333131123313231333133313331323212331333133313121111132323321112   >>