More branches!
More decisions!
If a robot's LAST symbol on the tape is blue, accept. Otherwise, reject!.
belt branch_rb
5 0
empty			0	Z			A
oneblue			1	B			A
onered			0	R			A	
redblue			1	RB			A
bluered			0	BR			A
alternatingR	0	BRBRBRBR	A
alternatingB	1	RBRBRBRB	A
