C222133313331333131123313231333133313331313113313331333132112313311221   >>    C22213331333133313112331323133313331333131311331333133313211231331122   <<    C222133313331333131123313231333133313331313113313331333132112313311223   >>      C222133313331333131123313231333133313331313113313331333132112313311222   >>