<h1>Four Rivers</h1>
<p>
Four Rivers is a variation of <a href="shisensho.html">Shisen-Sho</a>.

<h3>Object</h3>
<p>
The object of the game is to remove all tiles from the field.

<h3>Quick Description</h3>
<p>
Like <a href="shisensho.html">Shisen-Sho</a>,
but adjacent tiles cannot be removed together, unless they can be
connected in another way.