medium 9×9 Set 4 Table Grid
16+10+7=78=86+
21x9=8=2
16+7=16+2-6=1-1
6=5=8-15x12x2=8=
1=18+2=16+9
10+5=8=6-
8=8+4-63x10+76=5=
14+3=4=42-1168x
3-21=1530x69=
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