hard Set 99 Table Grid
67141035
711111810
141525
111410
911119106
151822
5814121310
712138154
34
979
Show solution grid
67141035
72511111859410
14428152579153
11164141037
9111129910916
157818226592
5238141293131064
71213265815874
3419683251
963716963