From: "H.Yamamoto" <ocean@...2.ccsnet.ne.jp>
Date: 2004-07-11T23:08:14+09:00
Subject: Re: A little algorithmic help requested...

George Ogata <g_ogata@optushome.com.au> wrote:
(2004/07/11 19:37)

>a.each_index{|i|a[i..j=i+2]==[x=a[i],x+1,x+2]and(0while a[j]+1==a[j+=1];a[i..j-=1]=a[i]..a[j])}

Amazing.