from machine import Pin
from time import sleep

Pins=[23, 22, 21, 19, 18, 5, 17, 16, 4, 0]
leds=[Pin(x,Pin.OUT) for x in Pins]

vel=.5

while True:
  for x in range(5):
    leds[x].value(1)
    leds[x+5].value(1)
    sleep(vel)
    leds[x].value(0)
    leds[x+5].value(0)

  for x in range (3,0,-1):
    leds[x].value(1)
    leds[x+5].value(1)
    sleep(vel)
    leds[x].value(0)
    leds[x+5].value(0)

  for x in range (5):
    leds[x].value(1)
    leds[9-x].value(1)
    sleep(vel)
    leds[x].value(0)
    leds[9-x].value(0)
   
  for x in range (10):
    leds[x].value(1)
    sleep(vel)

  for x in range (10):
    leds[x].value(0)
    sleep(vel)
 
  for x in range (9,-1,-1):
    leds[x].value(1)
    sleep(vel)

  for x in range (9,-1,-1):
    leds[x].value(0)
    sleep(vel)

  for x in range (3):
    leds[x].value(1)
    leds[9-x].value(1)
    sleep(vel)
    leds[x].value(0)
    leds[9-x].value(0)

  for x in range (4,-1,-1):
    leds[x].value(1)
    leds[9-x].value(1)
    sleep(vel)
    leds[x].value(0)
    leds[9-x].value(0)