4 7 1 4 7 8 2 5 4 9 5 6 8 1 2 6 7 2 6 5 4 8 5 3 1 3 28-03-2016.......hard 28-03-2016 www.daily-sudoku-puzzle.com

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

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