C22213331333133313112331323133313331333133313211232313331323233133311   >>    C2221333133313331311233132313331333133313331321123231333132323313331   <<    C22213331333133313112331323133313331333133313211232313331323233133313   >>      C22213331333133313112331323133313331333133313211232313331323233133312   >>