C2221333133313331311233132313331333133313331323321111331323221121221   >>    C222133313331333131123313231333133313331333132332111133132322112122   <<    C2221333133313331311233132313331333133313331323321111331323221121223   >>      C2221333133313331311233132313331333133313331323321111331323221121222   >>