R4#sh ip route | b Gat
Gateway of last resort is not set

      10.0.0.0/8 is variably subnetted, 4 subnets, 3 masks
C        10.12.1.0/24 is directly connected, GigabitEthernet0/0
L        10.12.1.2/32 is directly connected, GigabitEthernet0/0
C        10.13.1.0/30 is directly connected, GigabitEthernet0/1
L        10.13.1.1/32 is directly connected, GigabitEthernet0/1
      192.168.3.0/32 is subnetted, 1 subnets
D        192.168.3.1 [90/130816] via 10.12.1.1, 00:13:10, GigabitEthernet0/0
      192.168.5.0/32 is subnetted, 1 subnets
D        192.168.5.1 [90/130816] via 10.13.1.2, 00:13:10, GigabitEthernet0/1
R4#