#1 | 6 | 8 | 2 | One number is correct and well-placed |

#2 | 6 | 1 | 4 | One number is correct and misplaced |

#3 | 2 | 0 | 6 | Two numbers are correct and misplaced |

#4 | 7 | 3 | 8 | No numbers are correct |

#5 | 8 | 7 | 0 | One number is correct and misplaced |

- #6: #4 + #5 mean 0 is a digit
- #7: #6 + #5 + #3 mean 0 is in the first position
- #8: #1 + #2 mean 6 is not a digit
- #9: #8 + #3 mean 2 is a digit
- #A: #9 + #8 + #1 mean 2 is in the last position
- #B: #A + #8 + #2 mean 4 is in the second position