C22213331333133313112331323133313331333133313211232313213233311   >>    C2221333133313331311233132313331333133313331321123231321323331   <<    C22213331333133313112331323133313331333133313211232313213233313   >>      C22213331333133313112331323133313331333133313211232313213233312   >>