document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=307272>Question 307272</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Z  W  Y  X\r<BR>\n" );
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document.write( "The sequence  above may be changed in either of two ways . either two adjacent letters may be  interchanged or the entire sequence may be reversed .  what is the least number of such changes needed  to put the letters into alphabetical order from left to right ?\r<BR>\n" );
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document.write( "(A)  2     (B)   3      (C)   4       (D)  5     (E)  6\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #219847 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=219847\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I would say 3 is the least number of manipulations.\r<BR>\n" );
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document.write( "You start with zwyx\r<BR>\n" );
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document.write( "You reverse the whole string to get xywz\r<BR>\n" );
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document.write( "You reverse yw to get xwyz\r<BR>\n" );
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document.write( "You reverse xw to get wxyz\r<BR>\n" );
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document.write( "Not it's in order.\r<BR>\n" );
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document.write( "I don't think you can do better than that.\r<BR>\n" );
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document.write( "Answer would be selection B. </SPAN>\n" );
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