7 8 6 1 1 5 3 8 6 4 9 6 7 8 9 8 2 1 5 4 6 4 2 1 9 5 3 7 7 9 9 2 25-07-2017.......dificil 25-07-2017 www.daily-sudoku-puzzle.com

3 7 4 9 5 1 2 8 6 9 8 6 2 4 7 1 5 3 1 5 2 3 8 6 7 4 9 2 6 5 7 3 8 4 9 1 8 4 3 6 1 9 5 7 2 7 1 9 5 2 4 3 6 8 4 2 8 1 9 5 6 3 7 5 3 7 8 6 2 9 1 4 6 9 1 4 7 3 8 2 5

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