7 4 6 8 2 4 8 7 5 1 7 5 3 3 1 7 8 8 1 4 4 5 9 2 7 8 9 1 1 8 6 4 3 6 1 4 8 18-01-2019.......medium 18-01-2019 www.daily-sudoku-puzzle.com

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

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