#!/usr/bin/env python2.7
 
import time, sys
import base64
 
def charseq(start, length):
    start = ord(start)
    return ''.join(chr(start + i) for i in xrange(length))
 
b64table = charseq('A', 26) + charseq('a', 26) + charseq('0', 10) + '+/'
 
def shift_b64(c, offset):
    if c == '=': return c 
    idx = b64table.find(c)
    assert idx >= 0
    return b64table[(idx + offset) % len(b64table)]
 
def encode(s, offset=0, maxlen=48):
    s = base64.b64encode(s)[:maxlen]
    return ''.join(shift_b64(c, offset) for c in s)
 
 
def findfixes(offset):
    for c in b64table:
        c2 = encode(c, offset, 1)
        if c2 == c:
            yield c
 
for offset in xrange(64):
    print '{:>2} {!r}'.format(offset, list(findfixes(offset)))
 
 
#s = '1saddsadsadsa'
#
#for offset in xrange(-3, 3):
#    print offset
#    for _ in xrange(25):
#        s = encode(s, offset)
#        print s
#    print
 

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