hard 20×20 Set 4 Table Grid
7
1122
121336787
7101314151617123234444321
1 2
7
8
9
8
8 3
8 2
6 2
6 5
6 6
6 7
4 1 4
5 4
3 3
3 2
3 1
1 2 4
10
2 7
8
Show solved pattern
7
1122
121336787
7101314151617123234444321
1 2
7
8
9
8
8 3
8 2
6 2
6 5
6 6
6 7
4 1 4
5 4
3 3
3 2
3 1
1 2 4
10
2 7
8