4 1 2 7 5 3 3 7 8 6 1 8 8 2 1 4 6 7 9 7 9 6 2 6 5 5 3 1 18-12-2018.......medium 18-12-2018 www.daily-sudoku-puzzle.com

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

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