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

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

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

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

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

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

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