C2221333133313331311233132313331333133313331311233133313113311233321311   >>    C222133313331333131123313231333133313331333131123313331311331123332131   <<    C2221333133313331311233132313331333133313331311233133313113311233321313   >>      C2221333133313331311233132313331333133313331311233133313113311233321312   >>