ctrl k + ctrl up -> mover tab a new panel
ctrl k + ctrl num -> fold level num
ctrl k + ctrl space -> set mark
ctrl k + ctrl a -> select to mark
ctrl k + ctrl c -> centrar en vertical
ctrl k + ctrl up -> mover tab a new panel
ctrl k + ctrl num -> fold level num
ctrl k + ctrl space -> set mark
ctrl k + ctrl a -> select to mark
ctrl k + ctrl c -> centrar en vertical