1 8 5 6 3 2 9 9 8 5 6 1 2 5 7 4 1 3 9 7 2 4 4 9 8 5 2 4 7 18-05-2020.......difficile 18-05-2020 www.daily-sudoku-puzzle.com

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2=>(1,1) | 9=>(1,5) | 1=>(9,1) | 3=>(8,2) | 4=>(4,5) | 7=>(4,3) | 2=>(6,5) | 7=>(6,7) | 9=>(7,2) | 7=>(8,6) | 9=>(9,7) | 4=>(1,3) | 7=>(1,9) | 6=>(2,1) | 7=>(3,2) | 2=>(5,2) | 2=>(3,8) | 6=>(8,3) | 9=>(5,3) | 9=>(4,6) | 2=>(8,9) | 5=>(2,2) | 8=>(2,3) | 3=>(3,3) | 7=>(2,4) | 4=>(3,4) | 8=>(5,6) | 1=>(5,9) | 3=>(2,5) | 3=>(7,4) | 6=>(9,5) | 3=>(5,7) | 3=>(9,9) | 3=>(4,1) | 5=>(5,1) | 6=>(3,6) | 1=>(3,5) | 8=>(4,9) | 4=>(5,8) | 1=>(7,6) | 6=>(7,8) | 4=>(2,7) | 6=>(6,9) | 8=>(6,1) | 1=>(2,8) | 5=>(6,4) | 6=>(5,4) | 5=>(7,7) | 8=>(7,5) | 1=>(8,7) | 8=>(8,8) | 5=>(8,5) |