:- initialization(
	logtalk_load([
		aberdeen,
		aberystwyth,
		birmingham,
		brighton,
		bristol,
		cambridge,
		cardiff,
		carlisle,
		dover,
		edinburgh,
		exeter,
		glasgow,
		hull,
		leeds,
		liverpool,
		london,
		manchester,
		newcastle,
		nottingham,
		oxford,
		penzance,
		portsmouth,
		sheffield,
		swansea,
		york,

		salesman,

		circular,
		driving,
		geographic2,
		incremental,
		metric1,
		permute,
		presort,

		location2,

		descend,
		quick1,
		natural])).