8 4 9 5
1 6 9 7 4 8
3 1
2 6
2 8 5
4 9
1 6
6 5 8 1 3 2
2 9 5 7
01-12-2016.......hard 01-12-2016
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8 7 4 6 1 2 9 3 5
5 1 6 9 3 7 4 8 2
3 9 2 5 4 8 7 6 1
9 5 8 2 7 6 1 4 3
4 2 7 1 8 3 6 5 9
6 3 1 4 5 9 2 7 8
1 4 3 7 2 5 8 9 6
7 6 5 8 9 1 3 2 4
2 8 9 3 6 4 5 1 7
7=>(1,2) | 5=>(2,1) | 2=>(3,3) | 9=>(3,2) | 8=>(3,6) | 3=>(5,6) | 8=>(7,7) | 1=>(9,8) |

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

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

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

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

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

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