first you are required to choose a pair of same pattern links, but
the path of links appeared can not exceed twice turns, after links
keep away from other patterns. Only can enter next one when you fulfill task.
The difficulty of game can be divided into three levels.
WWW: http://sourceforge.net/projects/llk-linux
PR: ports/96366
Submitted by: Liu.Yinghong <liu_yinghong@yahoo.com.cn>