hard Set 97 Table Grid
5=18+2=26+3=1=
11+20x6=
18x1=5
16+8x9+19+
56x8288x5=3=2-
1=618+
20+5=2-6-
4=6=2/14+3=
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56472831
21745386
62831745
73164528
87253164
15386472
34528617
48617253