A two stage approach was developed: in the first stage two objective functions were considered, one to minimize the number of bays packed by containers and the other to minimize the number of overstows.

Yet were these Florentines as self-retired / In hungry pride and gainful cowardice, / As two close Hebrews in that land inspired, / Paled in and vineyarded from beggar-spies; …

Though the mudsill of the labor world, he whistles as he hoes, and no dark broodings or whispered conspirings mar the cheerful acceptance of the load he bears.

The hands of a watch rotate dextrally.