C2221333133313331311233132313331333133313331333133313331311223311   >>    C222133313331333131123313231333133313331333133313331333131122331   <<    C2221333133313331311233132313331333133313331333133313331311223313   >>      C2221333133313331311233132313331333133313331333133313331311223312   >>