4 9 5 4 5 2 7 9 6 9 4 3 8 5 3 4 1 6 7 8 4 7 6 3 6 2 7 1 22-08-2015.......hard 22-08-2015 www.daily-sudoku-puzzle.com

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

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