1 3 7
9 2
7 5 9
4 8 2 7 3
6 7
9 5 8 4 6
7 2 5
4 1
9 2 3
17-01-2017.......medium 17-01-2017
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1 9 3 6 7 2 5 8 4
8 5 4 9 1 3 6 2 7
2 7 6 8 5 4 9 3 1
4 1 8 2 6 7 3 9 5
3 6 5 1 4 9 8 7 2
7 2 9 5 3 8 4 1 6
9 3 7 4 2 6 1 5 8
5 4 2 3 8 1 7 6 9
6 8 1 7 9 5 2 4 3
9=>(1,2) | 7=>(6,1) | 3=>(3,8) | 6=>(4,5) | 9=>(5,6) | 1=>(6,8) | 5=>(9,6) | 2=>(5,9) |

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

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

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

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

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

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