C2221333133313331311233132313331333133313331323321111331322332121   >>    C222133313331333131123313231333133313331333132332111133132233212   <<    C2221333133313331311233132313331333133313331323321111331322332123   >>      C2221333133313331311233132313331333133313331323321111331322332122   >>