Revert "para deshacer 2"

This reverts commit 4ae6adc0bb356e94dcb0f3c970cc0b1aba04e5d8.
Revert "para desahacer"

This reverts commit 5f0e466a2c70d8660f08a1a5529411de23c1438f.
para deshacer 3

para deshacer 3