Exercise 5.1.3. Develop the function <code class="scheme" style="color: rgb(165, 42, 42); ">check-guess3</code>. It implements a larger portion of the number guessing game of exercise <a href="http://htdp.org/2003-09-26/Book/curriculum-Z-H-8.html#node_thm_5.1.2">5.1.2</a> than the function <code class="scheme" style="color: rgb(165, 42, 42); ">check-guess</code>. Now the teachpack hands over the <code class="scheme" style="color: rgb(165, 42, 42); ">digits</code> that the user guesses, not the number that they form. To simplify the problem a little bit, the game works with only three numbers. Thus, <code class="scheme" style="color: rgb(165, 42, 42); ">check-guess3</code> consumes three digits and a number. The first digit is the least significant, the third one is the most significant. The number is called <code class="scheme" style="color: rgb(165, 42, 42); ">target</code> and represents the randomly chosen number. Depending on how <code class="scheme" style="color: rgb(165, 42, 42); ">guess</code>, the number determined by the three digits, relates to <code class="scheme" style="color: rgb(165, 42, 42); ">target</code>, <code class="scheme" style="color: rgb(165, 42, 42); ">check-guess3</code> produces one of the following three answers: <code class="scheme" style="color: rgb(165, 42, 42); ">'TooSmall</code>, <code class="scheme" style="color: rgb(165, 42, 42); ">'Perfect</code>, or <code class="scheme" style="color: rgb(165, 42, 42); ">'TooLarge</code>. The rest of the game is still implemented by <tt>guess.ss</tt>. To play the game with <code class="scheme" style="color: rgb(165, 42, 42); ">check-guess3</code>, evaluate <div align="left" style="font-family: 'Times New Roman'; font-size: medium; "><pre class="scheme" style="margin-left: 2em; color: rgb(165, 42, 42); ">(guess-with-gui-3 check-guess3) </pre></div> What number is determined by the 3 digits? If the 3 digits were 1 2 and 3, does it mean that the number would then be 123? If that is the case how do you go about doing that? Because the initial set I thought would look like (define (check-guess3 a b c target) but then it say depending on how guess relates to target, so it should still look like (define (check-guess3 guess target) and the variable guess should hold the number created by the 3 digits?!?!?!? Am I even close? I did 5.1.2 just fine, but this one is really confusing me. Any help is appreciated.