Requirements: The yellow area is ospf area 0, the green area is static routing, and default routing is not allowed to be written.
The configuration is as follows:
<AR1>dis cu
#
sysname AR1
#
interface GigabitEthernet0/0/0
ip address 10.0.12.1 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 192.168.41.254 255.255.255.0
#
interface GigabitEthernet0/0/2
ip address 10.0.13.1 255.255.255.0
#
interface LoopBack0
ip address 1.1.1.1 255.255.255.255
#
ospf 1 router-id 1.1.1.1
area 0.0.0.0
network 1.1.1.1 0.0.0.0
network 10.0.12.0 0.0.0.255
network 10.0.13.0 0.0.0.255
network 192.168.41.0 0.0.0.255
<AR2>dis cu
#
sysname AR2
#
interface GigabitEthernet0/0/0
ip address 10.0.12.2 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 10.0.23.2 255.255.255.0
#
interface LoopBack0
ip address 2.2.2.2 255.255.255.255
#
ospf 1 router-id 2.2.2.2
area 0.0.0.0
network 2.2.2.2 0.0.0.0
network 10.0.12.0 0.0.0.255
network 10.0.23.0 0.0.0.255
<AR3>dis cu
#
sysname AR3
#
interface GigabitEthernet0/0/0
ip address 10.0.34.3 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 10.0.23.3 255.255.255.0
#
interface GigabitEthernet0/0/2
ip address 10.0.13.3 255.255.255.0
#
interface LoopBack0
ip address 3.3.3.3 255.255.255.255
#
ospf 1 router-id 3.3.3.3
import-route static
area 0.0.0.0
network 3.3.3.3 0.0.0.0
network 10.0.13.0 0.0.0.255
network 10.0.23.0 0.0.0.255
network 10.0.34.0 0.0.0.255
#
ip route-static 10.0.45.0 255.255.255.0 10.0.34.4
ip route-static 10.0.56.0 255.255.255.0 10.0.34.4
ip route-static 192.168.42.0 255.255.255.0 10.0.34.4
<AR4>dis cu
#
sysname AR4
#
interface GigabitEthernet0/0/0
ip address 10.0.34.4 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 10.0.45.4 255.255.255.0
#
ip route-static 10.0.12.0 255.255.255.0 10.0.34.3
ip route-static 10.0.13.0 255.255.255.0 10.0.34.3
ip route-static 10.0.23.0 255.255.255.0 10.0.34.3
ip route-static 10.0.56.0 255.255.255.0 10.0.45.5
ip route-static 192.168.41.0 255.255.255.0 10.0.34.3
ip route-static 192.168.42.0 255.255.255.0 10.0.45.5
<AR5>dis cu
#
sysname AR5
#
interface GigabitEthernet0/0/0
ip address 10.0.56.5 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 10.0.45.5 255.255.255.0
#
ip route-static 10.0.12.0 255.255.255.0 10.0.45.4
ip route-static 10.0.13.0 255.255.255.0 10.0.45.4
ip route-static 10.0.23.0 255.255.255.0 10.0.45.4
ip route-static 10.0.34.0 255.255.255.0 10.0.45.4
ip route-static 192.168.41.0 255.255.255.0 10.0.45.4
ip route-static 192.168.42.0 255.255.255.0 10.0.56.6
<AR6>dis cu
#
sysname AR6
#
interface GigabitEthernet0/0/0
ip address 10.0.56.6 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 192.168.42.254 255.255.255.0
#
ip route-static 10.0.12.0 255.255.255.0 10.0.56.5
ip route-static 10.0.13.0 255.255.255.0 10.0.56.5
ip route-static 10.0.23.0 255.255.255.0 10.0.56.5
ip route-static 10.0.34.0 255.255.255.0 10.0.56.5
ip route-static 10.0.45.0 255.255.255.0 10.0.56.5
ip route-static 192.168.41.0 255.255.255.0 10.0.56.5