Table 3: Computational results for all boxes are cubic.

Problem numberNumber of cubesSide (x, y, z)CPU time (h:min:s)Objective value

43 (8, 5, 5)00:00:08200 Global optimum
3
1
1

54 (8, 6, 5)00:01:26240 Global optimum
2
3
1

64 (8, 8, 5)00:10:12320 Global optimum
3
4

74 (12, 7, 5)01:37:44420 Global optimum
3
3
1
1