hard Set 15 Table Grid
19+144x3=5=1=
7=5=28x6=21+
7=3=2/9=
8=6x424+15+
21+1=45x7
36x14+588x6=420x
8=2=6=5=45x6x4
4=8=
5105x31+8=6=4x2=
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735162948
573428196
682314579
941253687
194837265
826591734
419675823
357986412