C222133313331333131123313231333133313331333133313331333133313113313231312131221   >>    C22213331333133313112331323133313331333133313331333133313331311331323131213122   <<    C222133313331333131123313231333133313331333133313331333133313113313231312131223   >>      C222133313331333131123313231333133313331333133313331333133313113313231312131222   >>