hard 9×9 Set 1 Table Grid
16+75=6=3=96x
144x7=9=2/1=
1=2=9/280x1-5
6=7+720x
2-2=7=2-
2-1-12x43-4-1=1
3=6/9x30+
3+6+10+
1440x22+32=27=4=
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427956318
379584126
612798435
964317582
831275649
786432951
543129867
258641793
195863274