1 4 3
5 2 6 8
7 1 6
3 7
8 4 3 2
2 9
1 5 6
8 7 3 4
6 9 5
30-01-2018.......medium 30-01-2018
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1 2 6 5 4 8 9 7 3
4 5 9 7 3 2 6 8 1
3 7 8 1 6 9 5 2 4
9 3 5 2 8 4 7 1 6
8 6 4 9 7 1 3 5 2
7 1 2 6 5 3 4 9 8
2 9 3 4 1 5 8 6 7
5 8 7 3 2 6 1 4 9
6 4 1 8 9 7 2 3 5
7=>(6,1) | 1=>(2,9) | 5=>(1,4) | 5=>(4,3) | 2=>(8,5) | 6=>(8,6) | 5=>(8,1) | 3=>(9,8) |

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

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

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

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

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

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