Exercise: Good Old Tiling |2|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

| Look at the Question `Tiling the
  Floor <https://pp4e-workbook.github.io/chapters/dive_into_python/tiling_the_floor.html>`__
  in the previous chapter. Now, try to write program without
  :math:`\color{purple}{\texttt{gcd()}}` function.
| *Hint: "The Euclid Algorithm"*

.. |2| image:: ../../figures/difficulty_three.png
   :class: difficulty