C2221333133313331311233132313331333133313331323321111331121131121   >>    C222133313331333131123313231333133313331333132332111133112113112   <<    C2221333133313331311233132313331333133313331323321111331121131123   >>      C2221333133313331311233132313331333133313331323321111331121131122   >>