Refer to the exhibit. Customer A and customer B are connecting through a service provider network with these requirements

R1 acts as the mapping server to connect 10 0 0.0/30 and 172.16.0.0/30 networks

R1 and R2 are using nondefault SRG8 range to allocate SID.

R2 ads as the mapping client for transient traffic originating from customer A

Which configuration meets the requirements?