ref: 0b5ee8f3e7b8283f06be1575e6a295f2408426b0
parent: 1d9ed93af6c202e5ec8a149c933d38b5ed98138c
author: Simon Tatham <anakin@pobox.com>
date: Tue May 31 09:02:26 EDT 2005
`Solve' operation is relatively simple in Mines. [originally from svn r5882]