6 7 8 3 5 9 6 9 7 3 2 1 8 8 9 2 5 4 3 2 9 7 4 2 1 4 6 9 30-04-2014.......hard 30-04-2014 www.daily-sudoku-puzzle.com

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

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