easy Set 40 Table Grid
7=2=5+35=614+
6=5=1-2=211+35+4
1=5=54=5-6-7=7
3=10+79+1=6=682
1-542=8=7=73=1-
2=14+4+1-1-6=
8=4-2=3+4=5=
4=47-1861-7=73=
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72413568
65728314
13654827
37541682
54286731
28137456
86372145
41865273