9 3 5 8 1
5
7 2 4 6
6 2 9
8 4
3 4 7
5 9 7 3
1
6 7 5 4 2
21-02-2017.......medium 21-02-2017
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9 3 6 5 8 1 2 7 4
4 8 1 7 6 2 3 9 5
5 7 2 4 9 3 6 8 1
6 5 4 3 2 7 8 1 9
7 1 8 9 5 6 4 2 3
3 2 9 1 4 8 5 6 7
2 4 5 8 1 9 7 3 6
1 6 7 2 3 4 9 5 8
8 9 3 6 7 5 1 4 2
6=>(1,3) | 7=>(1,8) | 2=>(1,7) | 4=>(1,9) | 7=>(5,1) | 8=>(9,1) | 5=>(3,1) | 3=>(3,6) |

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

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

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

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

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

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