C2221333133313331311233132313331333133313331323223311233133313232223131   >>    C222133313331333131123313231333133313331333132322331123313331323222313   <<    C2221333133313331311233132313331333133313331323223311233133313232223133   >>      C2221333133313331311233132313331333133313331323223311233133313232223132   >>