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20 30 40 50 70 1 1 2 2 A

μ

8 6 4 3 2 1 1 75 53  
3 2 3 1         3
4   2 4 1       4
7   1 4 2       4
5     2 3 1     5
1     1 3 2     5
7       2 3 8   6

image2
image1
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