9 5 6 8
6 3 9 7
2 9
2 6 8
4 8
2 4 7
5 3
8 1 2 4
9 4 7 1
19-11-2020.......fiendish 19-11-2020
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9 5 7 1 6 2 3 8 4
1 6 8 4 3 5 2 9 7
3 2 4 7 8 9 1 6 5
5 3 2 6 7 8 4 1 9
4 7 1 9 5 3 6 2 8
6 8 9 2 1 4 7 5 3
7 4 6 5 9 1 8 3 2
8 1 5 3 2 7 9 4 6
2 9 3 8 4 6 5 7 1
1=>(2,1) | 4=>(7,2) | 8=>(6,2) | 2=>(5,8) | 5=>(4,1) | 3=>(6,9) | 6=>(6,1) | 3=>(4,2) |

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

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

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

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

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

3=>(9,3) | 3=>(1,7) | 1=>(1,4) | 7=>(3,4) | 1=>(3,7) |