# use different values of c for fun patterns!
def pixel(z):
    #c = .285
    #c = -.125+.75j
    #c = 0.45+0.1428j
    c = -0.835-0.2321j
    for i in range(MAX_ITER):
        z = z**2+c
        if abs(z) >= 2.0:
            return i
    return MAX_ITER