C222133313331333131123313231333133313331313113313331323221231211   >>    C22213331333133313112331323133313331333131311331333132322123121   <<    C222133313331333131123313231333133313331313113313331323221231213   >>      C222133313331333131123313231333133313331313113313331323221231212   >>