C222133313331333131123313231333133313331333133313331333133313331123313211   >>    C22213331333133313112331323133313331333133313331333133313331333112331321   <<    C222133313331333131123313231333133313331333133313331333133313331123313213   >>      C222133313331333131123313231333133313331333133313331333133313331123313212   >>