C222133313331333131123313231333133313331333132323213331312111113233211   >>    C22213331333133313112331323133313331333133313232321333131211111323321   <<    C222133313331333131123313231333133313331333132323213331312111113233213   >>      C222133313331333131123313231333133313331333132323213331312111113233212   >>