/Archive/2017/programming-constraints-plain/.git/objects/30
1f6ac32e52b2720115ca61fb4cbb555fe3eecd
26938d6ce8013b9282a019dabb6736a8476dc4
48806e1f7d9b423180275e92a16b9fcc944375
4c5fd8a38167dffca6ce0fdf4310d7c8e15502