medium Set 20 Table Grid
240x63-7=8x1=
20x12=8=
4+3520+18+412+
2=23=6=8+40x
6=14x27+5=
8=4=7+6=12+7=
15+5=11+
13+2=28=87=3=3-
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31758462
23641785
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18426573
74385126
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