9 4 7 8 6 1 3 7 2 6 7 8 5 4 6 7 2 8 3 3 5 6 7 4 2 8 4 9 23-03-2019.......hard 23-03-2019 www.daily-sudoku-puzzle.com

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

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