elif len(s) == 85:
return s[83:34:-1] + s[0] + s[33:27:-1] + s[3] + s[26:19:-1] + s[34] + s[18:3:-1] + s[27]
elif len(s) == 84:
- return s[83:27:-1] + s[0] + s[26:5:-1] + s[2:0:-1] + s[27]
+ return s[5:40] + s[3] + s[41:48] + s[0] + s[49:84]
elif len(s) == 83:
return s[81:64:-1] + s[82] + s[63:52:-1] + s[45] + s[51:45:-1] + s[1] + s[44:1:-1] + s[0]
elif len(s) == 82: