8 6 4 5 3 2 1 9 2 3 8 4 4 5 6 9 9 8 5 1 8 9 2 7 3 7 6 4 6 8 1 9 4 7 2 3 31-07-2017.......facile 31-07-2017 www.daily-sudoku-puzzle.com

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

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