C2221333133313331311233132313331333133313331322231333133313332321312212311   >>    C222133313331333131123313231333133313331333132223133313331333232131221231   <<    C2221333133313331311233132313331333133313331322231333133313332321312212313   >>      C2221333133313331311233132313331333133313331322231333133313332321312212312   >>