Whenever the keyboard tires, AutoHotkey always saves the day!
This AutoHotkey macro should do the trick:
^DOWN:: send ^{DOWN}^{DOWN}^{DOWN} ;send Ctrl+Down 3 times return ^UP:: send ^{UP}^{UP}^{UP} ;send Ctrl+Up 3 times return
This is a pretty rude decision, but it seems to do what you want.
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