#!/usr/bin/python3
"Not the filesharing protocol.  See also cifsd.py and wing.pl."
import random;a=[[0]*80 for i in range(48)];p=0
for i in range(10000):m,b=random.choice([(.5,0),(.5,40j),(.27-.42j,12+10j)]);p=m*p+b;a[int(p.real)][int(p.imag)]=1
print('\n'.join(''.join(" .':"[a[r+1][c]+2*a[r][c]] for c in range(80))for r in range(0,48,2)))