5 6 8 7
8 5 1 4
5
1 5 6
6 2 7 3
9 4 7
1
4 3 2 9
7 1 9 2
16-12-2020.......schwer 16-12-2020
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5 3 4 6 9 8 7 2 1
2 7 8 5 3 1 6 4 9
1 6 9 7 2 4 5 3 8
7 1 3 8 5 6 2 9 4
4 9 6 2 1 7 3 8 5
8 5 2 9 4 3 1 7 6
9 2 1 4 7 5 8 6 3
6 4 5 3 8 2 9 1 7
3 8 7 1 6 9 4 5 2
4=>(1,3) | 1=>(3,1) | 5=>(8,3) | 8=>(4,4) | 7=>(4,1) | 1=>(5,5) | 3=>(6,6) | 5=>(7,6) |

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

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

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

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

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

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