7 | 7 | 3 | 7 | 2 |
+ 9 | + 5 | + 7 | + 6 | + 7 |
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7 | 1 | 6 | 5 | 2 |
+ 7 | + 7 | + 7 | + 7 | + 7 |
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7 | 7 | 7 | 1 | 7 |
+ 4 | + 8 | + 9 | + 7 | + 6 |
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7 | 7 | 7 | 4 | 6 |
+ 0 | + 3 | + 5 | + 7 | + 7 |
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