import machine, neopixel, time

N = 12
p = machine.Pin(11)
np = neopixel.NeoPixel(p, N, bpp=3, timing=1)

n = 0
np.fill([0,0,0])
np[0] = (50,0,0)
np[1] = (0,50,0)
np[2] = (0,0,50)

while(1):
    temp = np[11]
    for i in range(0,11):
        np[11-i] = np[10-i]
    np[0] = temp
    np.write()
    time.sleep(0.1)