# rgb_combo.py

# rgb_combo.py

def  nCombinations(x=0, restore=[]):
    while 1:
        for r in range(x+10):
            for g in range(r+1,x+10):
                for b in range(max(g+1,x),x+10):
                    yield [r,g,b]
        x += 10

get_combo = nCombinations()

while 1:
    print(next(get_combo))