C22213331333133313112331323133313331333131311331333131133131211233133313211   >>    C2221333133313331311233132313331333133313131133133313113313121123313331321   <<    C22213331333133313112331323133313331333131311331333131133131211233133313213   >>      C22213331333133313112331323133313331333131311331333131133131211233133313212   >>