6 3 7 2 7 1 9 2 2 3 8 1 6 8 4 7 5 7 9 2 1 5 6 3 4 2 9 3 3 8 4 1 7 6 9 5 23-12-2017.......easy 23-12-2017 www.daily-sudoku-puzzle.com

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

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