C2221333133313331311233132313331333133313331323112211232321111111   >>    C222133313331333131123313231333133313331333132311221123232111111   <<    C2221333133313331311233132313331333133313331323112211232321111113   >>      C2221333133313331311233132313331333133313331323112211232321111112   >>