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

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

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

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

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

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

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