medium 9×9 Set 1 Table Grid
4=2-2=4-9+
2=16+86=6-9
17+82=120+9+3=
1=3-4=16+21+
48x5x3=18x1-435x
7=9=1=12=
3=4-7144x3-21=1
7=5-144x44+2x12-2-
5=32x7=2
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