easy 8×8 Set 4 Table Grid
42-28=1-7=4-1
13+75=51=2=3=6=615+
8=810+3=31=2=5=7
14+7+13+4=44-1-
7+2=7=765=
15-5=7=6=2-
1-72-55-4-3-3
5=6-3-72=28=6
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75124368
86431257
38615472
42768531
13857624
27546183
51372846