Switch setup: [ ALL ]

	C1.+ <-> C4.+ <-> R1.2 <-> R3.1 <-> VR1.1 <-> VR1.2
	C1.- <-> VR1.3
	C2.2 <-> VR2.2
	C3.1 <-> R1.1 <-> R2.2
	C3.2 <-> R3.2
	C4.- <-> R2.1 <-> VR2.1

