from machine  import Pin
import utime

red1 = Pin(16, Pin.OUT)
green1 = Pin(17, Pin.OUT)
blue1 = Pin(18, Pin.OUT)
red2 = Pin(19, Pin.OUT)
green2 = Pin(20, Pin.OUT)
blue2 = Pin(21, Pin.OUT)
red3 = Pin(26, Pin.OUT)
green3 = Pin(27, Pin.OUT)
blue3 = Pin(28, Pin.OUT)

while True:
  for i in range (0,2):
    for j in range (0,2):
        for k in range (0,2):
            red1.value(i)
            green1.value(j)
            blue1.value(k)
            red2.value(j)
            green2.value(k)
            blue2.value(i)
            red3.value(j)
            green3.value(i)
            blue3.value(k)
            print(i,j,k)
            utime.sleep(1)