from machine import Pin
from time import sleep

secuencia = [15, 2, 0, 4, 16, 17, 5, 18, 19, 21]
leds = [Pin(x, Pin.OUT) for x in secuencia]

while True:
    # Primera columna
    y = 9
    for x in range(5):
        leds[x].value(1)
        leds[x + y].value(1)
        sleep(1)
        leds[x].value(0)
        leds[x + y].value(0)
        y = y - 2

    # Segunda columna
    y = 3
    for x in range(3, 0, -1):
        leds[x].value(1)
        leds[x + y].value(1)
        sleep(1)
        leds[x].value(0)
        leds[x + y].value(0)
        y = y + 2