easy Set 45 Table Grid
6+6=3=38=81=6-7
4-6=2=8=87+1-7=71
18+7=2=6=
2=512+2-1=63-312+
11+35-66-5=5
8+17=72=6=3=34=5=
6=4=46+1-5-
7=8=83=4=2-54-
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42638517
56283471
13854726
25471638
37162854
81726345
64517283
78345162