hard 7×7 Set 5 Table Grid
4=6=61=11+
6=19+7+11+
7=13+3=2=
2=1=17+4=
9+20+
13+2=10+4=12+
12+23
Show solution
4736125
6542713
7615432
2361574
3154267
5273641
1427356