2 3 8 1 5 2 4 6 9 2 3 4 5 8 7 5 2 1 3 8 2 9 4 6 5 7 24-03-2016.......hard 24-03-2016 www.daily-sudoku-puzzle.com

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

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