day 6, part 1 solved (also: for(i;...) is faster than es2015 for(x of y), so switched to it.
day 6, part 1 solved (also: for(i;...) is faster than es2015 for(x of y), so switched to it.

gbranchaudrubenovitch/advent-of-code-2015,gbranchaudrubenovitch/advent-of-code