9 3 5 4 5 2 8 2 6 4 1 2 7 2 8 9 1 9 7 3 5 6 3 5 2 7 5 9 29-07-2017.......dificil 29-07-2017 www.daily-sudoku-puzzle.com

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