C222133313331333131123313231333133313331333132311221123223331231   >>    C22213331333133313112331323133313331333133313231122112322333123   <<    C222133313331333131123313231333133313331333132311221123223331233   >>      C222133313331333131123313231333133313331333132311221123223331232   >>