The routers in the diagram use the subnet assignments shown. What is the most efficient route summary that can be configured on Router3 to advertise the internal networks to the cloud?

The routers in the diagram use the subnet assignments shown. What is the most efficient route summary that can be configured on Router3 to advertise the internal networks to the cloud?

192.1.1.0/26 and 192.1.1.64/27
192.1.1.128/25
192.1.1.0/23 and 192.1.1.64/23
192.1.1.0/24
192.1.1.0/25
192.1.1.0/24 and 192.1.1.64/24