7 9 1 6 9 4 5 3 8 4 3 8 9 2 1 8 1 7 3 9 8 2 5 1 5 6 3 7 21-10-2016.......medium 21-10-2016 www.daily-sudoku-puzzle.com

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

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