C222133313331333131123313231333133313331333133313331211111333211   >>    C22213331333133313112331323133313331333133313331333121111133321   <<    C222133313331333131123313231333133313331333133313331211111333213   >>      C222133313331333131123313231333133313331333133313331211111333212   >>