C2221333133313331311233132313331333133313331322133313331313232223321   >>    C222133313331333131123313231333133313331333132213331333131323222332   <<    C2221333133313331311233132313331333133313331322133313331313232223323   >>      C2221333133313331311233132313331333133313331322133313331313232223322   >>