Pentomino Box Packing
120×(10×10×6)
Sol.3 : Discovered by
進藤欣也 (Yoshiya Shindo) (May 1997).
Sol.1,2,4 : Discovered by
石野恵一郎 (ISHINO Keiichiro) (2000).
Sol.5-11 : Discovered by 白川俊博 (Toshihiro Shirakawa) (2013).
11+ solutions.
May 18, 2004 by
k16\@chiba.email.ne.jp