How do I crack substr hash?

[undeath]

here is some python code. works the same as atom's code but instead of a single hash you specify a hash list. However it's way slower. (at least for small amounts of hashes)

http://pastebin.com/ZFv1rcCd

Code:

maskprocessor-0.68/mp64.bin "?d?d?d?d?d?d?d?d?d?d" | python /tmp/cracksub.py /tmp/test
11f3c5f7:0381855993
fedcba98:0425872543
6e7b46f0:1773702951
cbcab91c:1999019018