5 4 9 4 7 8 7 1 8 5 4 6 3 1 4 3 8 2 6 9 6 2 7 1 8 2 7 4 06-02-2019.......hard 06-02-2019 www.daily-sudoku-puzzle.com

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

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