3 7 9 5 4 8 2 2 1 3 2 1 9 1 2 8 8 6 4 7 6 7 9 3 3 5 7 1 21-12-2018.......difficile 21-12-2018 www.daily-sudoku-puzzle.com

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