3 2 8 9 1
4 7
6 2 5
6 3 4 9
8
2 9 1 6
3 6 8
2 1
9 5 8 2 7
05-10-2016.......hard 05-10-2016
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7 3 4 2 5 8 9 1 6
9 5 2 6 1 4 3 8 7
6 8 1 7 9 3 2 4 5
8 6 7 3 2 5 4 9 1
4 1 3 9 8 6 7 5 2
5 2 9 4 7 1 8 6 3
3 7 6 5 4 9 1 2 8
2 4 8 1 6 7 5 3 9
1 9 5 8 3 2 6 7 4
9=>(2,1) | 2=>(2,3) | 3=>(5,3) | 2=>(4,5) | 3=>(6,9) | 8=>(6,7) | 2=>(7,8) | 9=>(8,9) |

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

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

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

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

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

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