C222133313331333131123313231333133313331333133313331333133313112221211   >>    C22213331333133313112331323133313331333133313331333133313331311222121   <<    C222133313331333131123313231333133313331333133313331333133313112221213   >>      C222133313331333131123313231333133313331333133313331333133313112221212   >>