6 8 4 7 1 9 7 5 6 2 7 4 8 2 5 9 3 7 1 2 4 7 9 3 1 5 2 7 20-06-2017.......diavolico 20-06-2017 www.daily-sudoku-puzzle.com

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