Is any substring of a hash (md5, sha1) more "random" than another?

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Here's 3 example md5 hashes

$ md5 -s "1" && md5 -s "2" && md5 -s "3"
MD5 ("1") = c4ca4238a0b923820dcc509a6f75849b
MD5 ("2") = c81e728d9d4c2f636f067f89cc14862c
MD5 ("3") = eccbc87e4b5ce2fe28308fd9f2a7baf3

Say I wanted to take 8 characters from any hash. Is the beginning part of the hash particularly more "random" than the end? middle? Or are all substrings equally "random"?

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