C2221333133313331311233132313331333133313232123313331323112113123131   >>    C222133313331333131123313231333133313331323212331333132311211312313   <<    C2221333133313331311233132313331333133313232123313331323112113123133   >>      C2221333133313331311233132313331333133313232123313331323112113123132   >>