https://docs.google.com/leaf?id=0ByRRP-MOJNvFNWJhM2Q5N2EtYThhOC00YWZhLTk4ZjUtNTBmM2JlNWFiMGUy&hl=en
Here you can find two files:
the benchmark and the best tour for the Berlin52 Instance.
They will be used in the first step in the Maser 2 SC cours TP.
Good luck.