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

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

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

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

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

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

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