Solves the assignment problem by the Hungarian method. The base problem is from Peltola (see ref.), giving z^* = 275.

Other suggested data (or data.pdf):

  8 17  3 23
 39  4 11 20
 13  2 41  6
 22  8  9  2

250 400 350
400 600 350
200 400 250

• Skiena, Steven, "Carpaneto, Martello and Toth's Linear Assignment Problem Software", The Stony Brook Algorithm Repository (State Univ. of New York at Stony Brook).

• Peltola, Matti: Example 1 (=.pdf), z* = 22 (Oulun yliopisto, Oulu University).

• PHUNKEE, Hungarian Method (=.pdf), z* = 275 [Structural Bioinformatics Group, Imperial College, London (UK)].

• 1623-06-19: Pascal, Blaise (1662-08-19).