1 7 5 2 8 9 4 7 8 3 5 2 3 6 9 3 6 8 4 1 5 9 7 6 8 3 2 1 13-08-2017.......schwer 13-08-2017 www.daily-sudoku-puzzle.com

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