4 8 5 7 3 7 5 4 1 9 4 3 3 4 6 8 5 2 4 1 7 1 3 9 5 6 2 8 6 2 8 9 4 7 6 2 21-02-2017.......facile 21-02-2017 www.daily-sudoku-puzzle.com

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

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