hard Set 70 Table Grid
9+2=9x14+7=
16+3=21+12x12+
1=13+2=
10+810x
504x14+15+252x14+
2=48x28x24x12+1=
6=67x5=32=
108x72x713+8=64x
7=1=13+9=9
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458372619
146895273
831429765
975281436
269748351
687153924
394567182
712634598