Date:             09/08/97
Value:            82
Who:              Susanne Heipcke
Method:           CLP
Computation Time: 3.4 s
Machine:          Sun SparcStation 5, 32Mb memory

Date:             06/02/97
Value:            82
Who:              Cristina C. B. Cavalcante and Cid Carvalho de Souza
Method:           Tabu Search
Computation time: 2 s
Machine:          SUN SPARCstation