Can't light past 5 triangles (60 lights.)

[GIORDANO]

Wiring looks good, arrows all point the right way, but no matter what I do it won't light past the 5th triangle. 5V 8A power supply, should be enough, yes? Any ideas? Using Wemos D1 and FastLED 3.5.0

[WarDrake]

Try moving the 6th triangle into the 3rd spot and see if the same thing happens, if so, look in the script into the variable that says how many lights there are on the setup.
Lines 136&137

#define LEAFCOUNT 12 
#define PIXELS_PER_LEAF 12