re.gif" width="178" height="107"></p>

<hr>

<h2><a name="Deroulement">Description of a problem session</a></h2>

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<p>Problem sessions enable you to solve each problem selected
with the starting options. After a problem has been solved, or to
skip to the next problem, use the <em>Next game</em> toolbar
button <img src="../BtNext2.gif" align="absmiddle" width="23"
height="22">.</p>

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<h3>Available commands</h3>

<p>While solving a problem, the follo