Is possible to share the entire config? I changed the ip 10.10.10.11 instead 10.10.10.1

Are your routers connected directly like my example?

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.10.10.11, timeout is 2 seconds:
Packet sent with a source address of 9.9.9.1
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/10/12 ms
R9#

R10#ping 9.9.9.1 source 10.10.10.11

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 9.9.9.1, timeout is 2 seconds:
Packet sent with a source address of 10.10.10.11
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/12/20 ms
R10#