7 8 9 1 5 7 8 2 4 3 1 5 5 4 9 6 7 6 1 2 3 9 9 2 1 5 3 31-05-2011.......medium 31-05-2011 www.daily-sudoku-puzzle.com

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