document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1146481>Question 1146481</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangular Cube with sides measuring 4 cm, is made with one cm blocks. Two straight tunnels of 4 cubes each are taken out. All exposed surfaces are painted including inside the tunnels. How many small cubes have been painted on exactly 3 faces?<BR>\n" );
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document.write( "The original cube has 8 corners; each of them will be painted of 3 faces.  The question then is how many other cubes will be painted on 3 faces after the two tunnels are taken out.<br><BR>\n" );
document.write( "The problem says that both tunnels are 4 cubes, so that means the tunnels do not intersect.<br><BR>\n" );
document.write( "However, there are different ways to take out two non-intersecting tunnels of 4 cubes each, and they produce different numbers of additional faces that will be painted on 3 sides.<br><BR>\n" );
document.write( "So the statement of the problem is not sufficiently precise to answer the question. </SPAN>\n" );
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