Routers & ASA5510 has ran in layer three ip connection.
Each of router has two of HSRP group, one group active and other group standby. Thus, this configuration has two HSRP IP.
The asa is ran in Active/Active failover (each physical router has two context or more)
Configuring each context unit has two routes and the next-hop are each of HSRP IP. Using asr-group command.