Fill in the circles below with different integers starting with 1 so that each pair of consecutive integers is farther apart than the previous pair. Here is an example of a solved puzzle:

Each puzzle below has a unique solution. All puzzles copyright Erich Friedman, 2000.

5 | 6 | 7 | 8 |

9 | 10 | 11 |

12 | 13 | 14 |

15 | 16 |

17 |