8 3 7 3 5 2 1 8 9 2 3 4 8 6 5 3 5 6 1 7 3 1 2 4 8 7 6 9 22-11-2017.......schwer 22-11-2017 www.daily-sudoku-puzzle.com

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