from machine import Pin
from utime import sleep

red_n = Pin(0,Pin.OUT)
yell_n = Pin(1,Pin.OUT)
gre_n = Pin(2,Pin.OUT)

red_w = Pin(4,Pin.OUT)
yell_w = Pin(5,Pin.OUT)
gre_w = Pin(6,Pin.OUT)

red_s = Pin(14,Pin.OUT)
yell_s = Pin(15,Pin.OUT)
gre_s = Pin(16,Pin.OUT)

red_e = Pin(18,Pin.OUT)
yell_e = Pin(19,Pin.OUT)
gre_e = Pin(20,Pin.OUT)

while True:
    # North - Green
    red_e.on()
    red_w.on()
    red_s.on()
    yell_n.off()
    yell_w.off()
    gre_n.on()
    sleep(1.5)
    # East - Green
    red_e.off()
    gre_n.off()
    yell_n.on()
    yell_e.on()
    sleep(0.5)
    red_n.on()
    red_w.on()
    red_s.on()
    yell_n.off()
    yell_e.off()
    gre_e.on()
    sleep(1.5)
    # South - Green
    red_s.off()
    gre_e.off()
    yell_e.on()
    yell_s.on()
    sleep(0.5)
    red_n.on()
    red_e.on()
    red_w.on()
    yell_e.off()
    yell_s.off()
    gre_s.on()
    sleep(1.5)
    # West - Green
    red_w.off()
    gre_s.off()
    yell_w.on()
    yell_s.on()
    sleep(0.5)
    red_n.on()
    red_e.on()
    red_s.on()
    yell_w.off()
    yell_s.off()
    gre_w.on()
    sleep(1.5)
    # Reset
    red_n.off()
    gre_w.off()
    yell_n.on()
    yell_w.on()
    sleep(0.5)