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

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

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

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

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

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

8=>(1,9) | 4=>(1,7) |