9 1 3 5 8 4 1 2 1 5 4 9 6 2 8 2 7 1 3 9 5 6 2 9 4 7 6 2 03-01-2017.......hard 03-01-2017 www.daily-sudoku-puzzle.com

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

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