medium Set 47 Table Grid
18x270x3=56x7=8=4=
3=1-5748x
72x71=3+4=15x5
7=78=89=92=3=311+
13+72x3=3-9=1=7=7
15+37=2-6=612+
1=4=2=8=5-
14+2=20x12+13+
3=6336x4=3-9=
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