C2221333133313331311233132313331333133313331323321111331311321221   >>    C222133313331333131123313231333133313331333132332111133131132122   <<    C2221333133313331311233132313331333133313331323321111331311321223   >>      C2221333133313331311233132313331333133313331323321111331311321222   >>