C2221333133313331311233132313331333133313331323312113313232221223311   >>    C222133313331333131123313231333133313331333132331211331323222122331   <<    C2221333133313331311233132313331333133313331323312113313232221223313   >>      C2221333133313331311233132313331333133313331323312113313232221223312   >>