C2221333133313331311233132313331333133313331323321333132313232123231   >>    C222133313331333131123313231333133313331333132332133313231323212323   <<    C2221333133313331311233132313331333133313331323321333132313232123233   >>      C2221333133313331311233132313331333133313331323321333132313232123232   >>