Swap Tmux Pane
https://superuser.com/questions/879190/how-does-one-swap-two-panes-in-tmux
into tmux command:
Prefix + : (Prefix + SHIFT + ;)
By default, prefix is Ctrl+b
in my case, it’s Ctrl+x
Prefix + q : show pane ID
swap pane id 3 to id 4
> swap-pane -s3 -t4
DONE.
