router on the stick help pls

in CCNA & CCENT
Hi I have a task , where the router on the stick has been used. I have a 2 router and a topology that below you'll find. The problem is that Two routers in my Cisco Academy task have interfaces to the same subnet and Pc 2 and 3 Can't Ping
any advice will be appreciate.[IMG][/img]
here are ip route for both routers
Router 3
Gateway of last resort is 10.2.2.1 to network 0.0.0.0
10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks
R 10.1.1.0/24 [120/1] via 10.2.2.1, 00:00:01, Serial0/0/1
R 10.1.1.0/30 [120/1] via 10.3.3.1, 00:00:15, Serial0/0/0
R 10.2.2.0/24 [120/2] via 10.3.3.1, 00:00:15, Serial0/0/0
C 10.2.2.0/30 is directly connected, Serial0/0/1
C 10.3.3.0/30 is directly connected, Serial0/0/0
R 192.168.10.0/24 [120/1] via 10.3.3.1, 00:00:15, Serial0/0/0
C 192.168.11.0/24 is directly connected, FastEthernet0/1.11
R 192.168.20.0/24 [120/1] via 10.2.2.1, 00:00:01, Serial0/0/1
C 192.168.30.0/24 is directly connected, FastEthernet0/1.30
R* 0.0.0.0/0 [120/1] via 10.2.2.1, 00:00:01, Serial0/0/1
Router 1
10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks
R 10.1.1.0/24 [120/2] via 10.3.3.2, 00:00:21, Serial0/0/1
C 10.1.1.0/30 is directly connected, Serial0/0/0
R 10.2.2.0/24 [120/1] via 10.1.1.2, 00:00:21, Serial0/0/0
R 10.2.2.0/30 [120/1] via 10.3.3.2, 00:00:21, Serial0/0/1
C 10.3.3.0/30 is directly connected, Serial0/0/1
C 192.168.10.0/24 is directly connected, FastEthernet0/0
C 192.168.11.0/24 is directly connected, FastEthernet0/1
R 192.168.20.0/24 [120/1] via 10.1.1.2, 00:00:21, Serial0/0/0
R 192.168.30.0/24 [120/1] via 10.3.3.2, 00:00:21, Serial0/0/1
R* 0.0.0.0/0 [120/1] via 10.1.1.2, 00:00:21, Serial0/0/0
R1#
and addresing table

Tnak you for any advice


here are ip route for both routers
Router 3
Gateway of last resort is 10.2.2.1 to network 0.0.0.0
10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks
R 10.1.1.0/24 [120/1] via 10.2.2.1, 00:00:01, Serial0/0/1
R 10.1.1.0/30 [120/1] via 10.3.3.1, 00:00:15, Serial0/0/0
R 10.2.2.0/24 [120/2] via 10.3.3.1, 00:00:15, Serial0/0/0
C 10.2.2.0/30 is directly connected, Serial0/0/1
C 10.3.3.0/30 is directly connected, Serial0/0/0
R 192.168.10.0/24 [120/1] via 10.3.3.1, 00:00:15, Serial0/0/0
C 192.168.11.0/24 is directly connected, FastEthernet0/1.11
R 192.168.20.0/24 [120/1] via 10.2.2.1, 00:00:01, Serial0/0/1
C 192.168.30.0/24 is directly connected, FastEthernet0/1.30
R* 0.0.0.0/0 [120/1] via 10.2.2.1, 00:00:01, Serial0/0/1
Router 1
10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks
R 10.1.1.0/24 [120/2] via 10.3.3.2, 00:00:21, Serial0/0/1
C 10.1.1.0/30 is directly connected, Serial0/0/0
R 10.2.2.0/24 [120/1] via 10.1.1.2, 00:00:21, Serial0/0/0
R 10.2.2.0/30 [120/1] via 10.3.3.2, 00:00:21, Serial0/0/1
C 10.3.3.0/30 is directly connected, Serial0/0/1
C 192.168.10.0/24 is directly connected, FastEthernet0/0
C 192.168.11.0/24 is directly connected, FastEthernet0/1
R 192.168.20.0/24 [120/1] via 10.1.1.2, 00:00:21, Serial0/0/0
R 192.168.30.0/24 [120/1] via 10.3.3.2, 00:00:21, Serial0/0/1
R* 0.0.0.0/0 [120/1] via 10.1.1.2, 00:00:21, Serial0/0/0
R1#
and addresing table

Tnak you for any advice