### Re: 15 in 15: Efficient 15-bit Synthesis Project

Posted:

**October 29th, 2016, 12:00 pm**Goldtiger997 wrote:Here's 15.1207 in 14 gliders. In doing this, I discovered (or maybe re-discovered) a new "adding" mechanism.

I was not aware of this converter. (I may have seen it, but I didn't have it recorded in my list.)

Goldtiger997 wrote:Here's 15.1103 in 11 gliders: ...

The final step can be replaced by the Extrementhusiast's 3-glider add tail to anchored tub converter, for 10:

Code: Select all

`x = 187, y = 37, rule = B3/S23`

46bo$44bobo$45boo28bo$73boo$74boo11$63bo$63bobo24bo29bo19bo19bo19bo$

63boo24bobo27bobo17bobo17bobo17bobo$88bobbo26bobbo16bobbo16bobbo16bobb

o$62bo24bo3bobo23bo3bobo13bo3bobo13bo3bobo7bo5bo3bobo$60bobo24boo3bobo

22boo3bobo12boo3bobo12boo3bobo5bo6boo3bobo$61boo30bo29bo19bo19bo6b3o

10bobo$98boo28boo55bo$98boo28boo35boo18boo$166boo$165bo$130bobo35b3o$

130boo36bo$131bo37bo$$4bo96boo28boo$5bo95boo28boo$3b3o$$boo$obo24b3o

27b3o$bbo!

EDIT: Bob had already used an improved 14.45 to make 15.405 from 11, so that can be removed from the list.