/Archive/2017/programming-constraints-plain/.git/objects/bd
47e813ae6ea3a933437c878bda1a721b51a446
5ec2018146a7679548634a38dcbaba1a801e9b
6cb7d2917a28bb526d1fe4f3f6cfd4298bc60a
7d0db41d0d79865a6d71f003d884a2151f30ec