C22213331333133313112331323133313331333133313211232313331323131122212321   >>    C2221333133313331311233132313331333133313331321123231333132313112221232   <<    C22213331333133313112331323133313331333133313211232313331323131122212323   >>      C22213331333133313112331323133313331333133313211232313331323131122212322   >>