<PRE><B>Question 121446</B>
x-{x-1-[x-2-(x-3-{x-4-[x-5-(x-6)]})]}

x-{x-1-[x-2-(x-3-{x-4-[x-5-x+6]})]}

x-{x-1-[x-2-(x-3-{x-4-1})]}

x-{x-1-[x-2-(x-3-{x-5})]}

x-{x-1-[x-2-(x-3-x+5)]}

x-{x-1-[x-2-2]}

x-{x-1-[x-4]}

x-{x-1-x+4]}

x-3
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Cheers,
Stan H.
</PRE>