COMMAND:
	joo@joooooooo:~$ halfxres=1720
	screenheight=1440
	monitor=DP-2
	xrandr --setmonitor VIRTUAL-LEFT $halfxres/0x$screenheight/1+0+0 $monitor
	xrandr --setmonitor VIRTUAL-RIGHT $halfxres/1x$screenheight/1+$halfxres+0 none 
	output list DP-2
	add monitor DP-2
	output name DP-2



OUTPUT:

	X Error of failed request:  BadValue (integer parameter out of range for operation)
	  Major opcode of failed request:  140 (RANDR)
	  Minor opcode of failed request:  43 ()
	  Value in failed request:  0x554e
	  Serial number of failed request:  45
	  Current serial number in output stream:  46
	X Error of failed request:  BadValue (integer parameter out of range for operation)
	  Major opcode of failed request:  140 (RANDR)
	  Minor opcode of failed request:  43 ()
	  Value in failed request:  0x554f
	  Serial number of failed request:  45
	  Current serial number in output stream:  46