from machine import Pin
from utime import sleep
l1=Pin(1,Pin.OUT)
l2=Pin(2,Pin.OUT)
l3=Pin(3,Pin.OUT)
l4=Pin(4,Pin.OUT)
l5=Pin(5,Pin.OUT)
l6=Pin(6,Pin.OUT)
l7=Pin(7,Pin.OUT)
l8=Pin(8,Pin.OUT)
l9=Pin(9,Pin.OUT)
l10=Pin(10,Pin.OUT)
l11=Pin(11,Pin.OUT)
l12=Pin(12,Pin.OUT)
while True:
    l1.off()
    l3.on()
    l4.on()
    l7.on()
    l10.on()
    sleep(2)
    l3.off()
    l2.on()
    sleep(1.5)
    l4.off()
    l6.on()
    l2.off()
    l1.on()
    sleep(2)
    l6.off()
    l5.on()
    sleep(1.5)
    l7.off()
    l9.on()
    l5.off()
    l4.on()
    sleep(2)
    l9.off()
    l8.on()
    sleep(1.5)
    l10.off()
    l12.on()
    l8.off()
    l7.on()
    sleep(2)
    l12.off()
    l11.on()
    sleep(1.5)
    l11.off()