.-..----..-.-......-....----.---..........-.-.-..-..----....----..--.-.-.-.-
Here are the non-pattern heights of the flames in morse code.
I found the word seventeen right here. It might be coincidence.
.-..----..-.-......-....----.---... .......-.-.-..-. .----....----..--.-.-.-.-
... . ...- . -. - . . -. = seventeen
Are there any obvious rules you can apply to get the gaps?