C2221333133313331311233132313331333133313331323112211232321233131   >>    C222133313331333131123313231333133313331333132311221123232123313   <<    C2221333133313331311233132313331333133313331323112211232321233133   >>      C2221333133313331311233132313331333133313331323112211232321233132   >>