### Random Post

### Recent Posts

### Recent Comments

Jim Randell on Enigma 1691: Factory part… | |

Jim Randell on Puzzle 52: Football on the Isl… | |

geoffrounce on Enigma 1691: Factory part… | |

Hugh Casement on Enigma 1070: Time to work | |

Jim Randell on Enigma 1070: Time to work |

### Archives

### Categories

- article (11)
- enigma (1,157)
- misc (2)
- project euler (2)
- puzzle (40)
- site news (44)
- tantalizer (42)
- teaser (3)

### Site Stats

- 177,808 hits

Advertisements

The following Python program runs in 128ms.

Solution:The security number is 5468.