4 1 5 8 3 4 8 2 9 4 3 9 7 6 1 7 4 4 9 5 8 2 9 1 7 5 4 9 7 3 6 9 15-07-2019.......medio 15-07-2019 www.daily-sudoku-puzzle.com

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