7 5 6 8 3 1 2 5 3 1 6 8 4 3 9 5 7 7 9 6 1 9 7 6 1 4 5 6 3 2 21-01-2018.......facil 21-01-2018 www.daily-sudoku-puzzle.com

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

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