7 8 5 4 6 1 9 4 2 5 3 4 2 8 7 5 1 4 2 3 9 7 2 3 6 6 9 8 18-01-2020.......medio 18-01-2020 www.daily-sudoku-puzzle.com

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