C22213331333133313112331323133313331333133313211232313331333231121311   >>    C2221333133313331311233132313331333133313331321123231333133323112131   <<    C22213331333133313112331323133313331333133313211232313331333231121313   >>      C22213331333133313112331323133313331333133313211232313331333231121312   >>