Revert "Revert "Revert "boceto 1 de estructuras"""

This reverts commit f6eb840682aeccdd4f85ba32d403677c022ad884.
Revert "Revert "Revert "Revert "boceto 1 de estructuras""""

This reverts commit 47db0f78505b4c459660ce709f082a5069bf041b.