C222133313331333131123313231333133313331323113313231333131232211   >>    C22213331333133313112331323133313331333132311331323133313123221   <<    C222133313331333131123313231333133313331323113313231333131232213   >>      C222133313331333131123313231333133313331323113313231333131232212   >>