Levels 1 – 50
	author: Hiroyuki Imabayashi
		Hiroyuki Imabayashi is the original creator of Sokoban
		and owns the copyright in Japan.

Levels 51 – 88
	author: marked as Public Domain

Levels 89 – 100
	author:	David W. Skinner <sasquatch@bentonrea.com>

Levels 101 – 200

	author:	Howard Abed <eabed@compuserve.com>
	web:	http://ourworld.compuserve.com/homepages/eabed
