#!/usr/bin/python3
"""Primitive cellular automata.

1-D, 3-neighborhood, 2-state.
"""

for rule in range(256):
    print('\033[H', rule)
    world = [0] * 128
    world[64] = 1
    for row in range(128):
        print(''.join('##' if cell else '  ' for cell in world))
        world = [1 & (rule >> (world[(i - 1) % len(world)] * 4
                               + world[i] * 2
                               + world[(i + 1) % len(world)]))
                 for i in range(len(world))]
    input()