ref: ceb12cb0804d437c4b4acd1540cfed0a621c5bcf
parent: 7c3413a2f2ab0d22f4e43c92a9c215bc24f88baf
author: Simon Tatham <anakin@pobox.com>
date: Thu Jan 7 13:42:00 EST 2010
New puzzle, again using the revised latin.c: 'Towers', a clone of a latin-square puzzle which I've seen described by several names but the most common is 'Skyscrapers'. [originally from svn r8816]