#! /usr/local/bin/python

# Copyright C 2002-2003 by Isilon Systems, Inc. All rights not expressly
# granted herein are reserved.
# Created in the United States of America.
# 
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# Inc.
# 
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import sys
import string
import os

MIRROR_LEVELS = range(2,9)
PARITY_LEVELS = range(1,3)

match=''

try:
  match = sys.argv[1]
except:
  pass

if match == '':
  for i in PARITY_LEVELS:
      print '+%d' % i
  for i in MIRROR_LEVELS:
    print '%dx' % i
elif match[0] == '+':
    for i in PARITY_LEVELS:
      print '+%d' % i
else:
  try:
    i = int(match)
    if i in MIRROR_LEVELS:
        print match + 'x'
  except: pass
