3 9 7 1 6 5 4 2 8 3 2 9 8 7 8 5 6 9 4 3 5 1 7 5 8 9 8 1 6 7 2 1 4 3 8 6 20-12-2018.......easy 20-12-2018 www.daily-sudoku-puzzle.com

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

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