What I mean is I would want a setup that goes:

R1 > Tunnel > R2 > Tunnel > R3

So my question is if I had a policy setup on R1 to encrypt traffic with src of 1.1.1.1/24 (R1 LAN) and dst of 2.2.2.2/24 (R2 LAN), could I then setup another traffic on R2 that passes it to R3 with a policy that has src 1.1.1.1/24 and dst 3.3.3.3/24 (R3 LAN)? Would that work?