2 8 9 7 6 9 3 4 5 2 8 7 7 8 3 1 4 2 7 6 5 9 4 2 9 4 8 7 1 5 2 4 9 3 6 26-12-2017.......facil 26-12-2017 www.daily-sudoku-puzzle.com

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