C2221333133313331311233132313331333133313331323331123231211231211   >>    C222133313331333131123313231333133313331333132333112323121123121   <<    C2221333133313331311233132313331333133313331323331123231211231213   >>      C2221333133313331311233132313331333133313331323331123231211231212   >>