C2221333133313331311233132313331333133313331323321111331311223233231   >>    C222133313331333131123313231333133313331333132332111133131122323323   <<    C2221333133313331311233132313331333133313331323321111331311223233233   >>      C2221333133313331311233132313331333133313331323321111331311223233232   >>