author Yoshio Murase number of levels 52 file  Yoshio Murase 1.txt send mail to author yoshio@asahi.email.ne.jp visit web site http://www.ne.jp/asahi/ai/yoshio/sokoban/handmade/index.html view level graph description Level #18 and #36 are combination works by Yoshio Murase and Masato Hiramatsu. The others are made by Yoshio Murase. Copyright(c)1996-2001 by Yoshio Murase. JAPAN. Visit Yoshio Murase's website and read more about this.