#!/usr/bin/python
# -*- coding: utf-8 -*-
"""Draw an ASCII-art Sierpinski triangle using bitwise operations."""
import sys

def main():
    for line in sier(64, 2):
        print line

def sier(n, d):                 # Size in pixels and depth.
    return (''.join(sierpix(n, d, r, c) for c in range(n)) for r in range(n))

def sierpix(size, depth, r, c):
    r, c = r - c + size//2, c - size//2 + r
    return ' ' if r & ~c ^ r else '#'

if __name__ == '__main__':
    for i in range(32): print(''.join(chr((r&~c^r)+32) for r,c in ((i-j+64,i+j-64) for j in range(1,128))))