easy 8×8 Set 2 Table Grid
2=28=3=37=73+1-4=4
4+8=6=24=47=5
7=710+1=15=2=8=88+
1=13-5-213+57=4=6
5=641=3=8+2
12+7=5=5-10+8=2=1=
7+5+1-5=6=7=7
6=2=7=3=9+1
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28371654
31862475
74615283
13258746
56784132
47536821
82143567
65427318