6 1 9 4 5 7 6 1 4 3 8 2 5 4 6 7 3 9 4 1 2 8 4 9 6 4 1 02-03-2018.......hard 02-03-2018 www.daily-sudoku-puzzle.com

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

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