1. s = 2 Trivial. | 2. s = 3 Trivial. | 3. s = (3 + 3√2) / 2 = 3.621+ Found by Serhiy Grabarchuk in July 2005. |

5. s = 4 Trivial. | 6. s = 7 / √2 = 4.949+ Found by Erich Friedman in June 2005. | 8. s = 5 Trivial. |

9. s = 3 + 2√2 = 5.828+ Found by Erich Friedman in June 2005. | 12. s = 6 Trivial. | 13. s = 4 + 2√2 = 6.828+ Found by Maurizio Morandi in June 2012. |

16. s = 7 Trivial. | 17. s = 19/3 + √2 = 7.747+ Found by Maurizio Morandi in June 2012. | 18. s = 13/2 + √2 = 7.914+ Found by Maurizio Morandi in June 2012. |

21. s = 8 Trivial. | 22. s = 3 + 4√2 = 8.656+ Found by Maurizio Morandi in June 2012. | 23. s = 15/2 + √2 = 8.914+ Found by Maurizio Morandi in June 2012. |