1.1 --- a/exercises/solutions/sol01.tex	Wed Apr 25 15:34:15 2012 +0200
     1.2 +++ b/exercises/solutions/sol01.tex	Wed Apr 25 17:30:37 2012 +0200
     1.3 @@ -21,16 +21,16 @@
     1.4  \section*{Exercise 1.1a}
     1.5  \begin{tabular}{|c|c|c||c|c|c||c|c|c|}
     1.6    \hline
     1.7 -  5& &6 & & &  &8& &  \\ \hline
     1.8 -   & &1 & &9&8 & & &  \\ \hline
     1.9 -   & &  &1& &3 &4&6&2 \\ \hline\hline
    1.10 +  5&3&6 &4&7&2 &8&1&9 \\ \hline
    1.11 +  4&2&1 &6&9&8 &5&7&3 \\ \hline
    1.12 +  7&8&9 &1&5&3 &4&6&2 \\ \hline\hline
    1.13  
    1.14 -  8& &  & &2&  &1& &7 \\ \hline
    1.15 -   &7&  & & &  & & &  \\ \hline
    1.16 -   &9&4 & & &  &6&3&  \\ \hline\hline
    1.17 +  8&6&3 &9&2&4 &1&5&7 \\ \hline
    1.18 +  1&7&5 &8&3&6 &9&2&4 \\ \hline
    1.19 +  2&9&4 &5&1&7 &6&3&8 \\ \hline\hline
    1.20  
    1.21 -  3& &  &2&4&  & &9&  \\ \hline
    1.22 -  9& &7 & & &  &2&8&5 \\ \hline
    1.23 -   & &2 &7& &9 & & &  \\ \hline
    1.24 +  3&1&8 &2&4&5 &7&9&6 \\ \hline
    1.25 +  9&4&7 &3&6&1 &2&8&5 \\ \hline
    1.26 +  6&5&2 &7&8&9 &3&4&1 \\ \hline
    1.27  \end{tabular}
    1.28  \end{document}