1 5 3 2
5 3
3 9 2 4 5
6 9 8 2
8 6
3 6 5 1
5 3 8 9 1
2 7
7 1 4 8
03-05-2018.......medium 03-05-2018
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7 1 5 8 6 4 3 2 9
2 6 4 5 9 3 8 1 7
3 9 8 7 2 1 6 4 5
1 5 6 9 7 8 2 3 4
8 4 7 1 3 2 9 5 6
9 2 3 6 4 5 1 7 8
5 3 2 4 8 6 7 9 1
4 8 9 2 1 7 5 6 3
6 7 1 3 5 9 4 8 2
1=>(4,1) | 1=>(2,8) | 4=>(7,4) | 3=>(9,4) | 2=>(5,6) | 8=>(6,9) | 7=>(6,8) | 2=>(7,3) |

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

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

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

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

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

9=>(1,9) |