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

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

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

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

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

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

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