IGP Redistribution

in R1 and R3 Redistribution  ospf in to rip but sw2 learn  l0 of  R1  from R3 and l0 R3 from R1 why?

config sw2:

SW2:
router rip
offset-list 1 in 2 FastEthernet0/20
offset-list 0 in 1 FastEthernet0/21
!
access-list 1 permit 150.1.6.0
access-list 1 permit 150.1.2.0
access-list 1 permit 150.1.1.0
access-list 1 permit 163.1.6.0
access-list 1 permit 163.1.12.0
access-list 1 permit 204.12.1.0

R1:

router ospf 1
redistribute rip subnets route-map RIP->OSPF
!
router rip
redistribute connected metric 1
redistribute ospf 1 metric 1 route-map OSPF->RIP
!
ip prefix-list SUB24_OR_SHORTER seq 5 permit 0.0.0.0/0 le 24
!
route-map OSPF->RIP deny 10
match tag 120
!
route-map OSPF->RIP permit 20
match ip address prefix-list SUB24_OR_SHORTER
set tag 110
!
route-map RIP->OSPF deny 10
match tag 110
!
route-map RIP->OSPF permit 20
set tag 120

R3:

router ospf 1
redistribute rip subnets route-map RIP->OSPF
!
router rip
redistribute connected metric 1
redistribute ospf 1 metric 1 route-map OSPF->RIP
!
route-map OSPF->RIP deny 10
match tag 120
!
route-map OSPF->RIP permit 20
set tag 110
!
route-map RIP->OSPF deny 10
match tag 110
!
route-map RIP->

===================================

show ip route in sw2:

     163.1.0.0/16 is variably subnetted, 18 subnets, 3 masks
R       163.1.0.128/25 [120/3] via 163.1.38.3, 00:00:07, GigabitEthernet1/0
R       163.1.35.0/24 [120/1] via 163.1.38.3, 00:00:07, GigabitEthernet1/0
C       163.1.38.0/24 is directly connected, GigabitEthernet1/0
R       163.1.45.5/32 [120/1] via 163.1.38.3, 00:00:07, GigabitEthernet1/0
R       163.1.45.4/32 [120/3] via 163.1.18.1, 00:00:16, GigabitEthernet2/0
R       163.1.45.0/24 [120/1] via 163.1.38.3, 00:00:07, GigabitEthernet1/0
R       163.1.54.0/24 [120/1] via 163.1.38.3, 00:00:07, GigabitEthernet1/0
R       163.1.57.0/24 [120/1] via 163.1.38.3, 00:00:07, GigabitEthernet1/0
R       163.1.5.5/32 [120/1] via 163.1.38.3, 00:00:07, GigabitEthernet1/0
R       163.1.4.4/32 [120/1] via 163.1.38.3, 00:00:07, GigabitEthernet1/0
R       163.1.0.0/25 [120/3] via 163.1.38.3, 00:00:07, GigabitEthernet1/0
R       163.1.7.0/24 [120/4] via 163.1.18.1, 00:00:17, GigabitEthernet2/0
R       163.1.4.0/24 [120/3] via 163.1.38.3, 00:00:08, GigabitEthernet1/0
R       163.1.5.0/24 [120/1] via 163.1.38.3, 00:00:08, GigabitEthernet1/0
R       163.1.15.0/24 [120/1] via 163.1.38.3, 00:00:08, GigabitEthernet1/0
R       163.1.12.0/24 [120/2] via 163.1.18.1, 00:00:17, GigabitEthernet2/0
R       163.1.13.0/24 [120/1] via 163.1.38.3, 00:00:08, GigabitEthernet1/0
C       163.1.18.0/24 is directly connected, GigabitEthernet2/0
R    10.0.0.0/8 [120/3] via 163.1.38.3, 00:00:08, GigabitEthernet1/0
R    192.10.1.0/24 [120/1] via 163.1.38.3, 00:00:08, GigabitEthernet1/0
     150.1.0.0/16 is variably subnetted, 8 subnets, 2 masks
R       150.1.7.0/24 [120/3] via 163.1.38.3, 00:00:08, GigabitEthernet1/0
R       150.1.6.0/24 [120/2] via 163.1.18.1, 00:00:17, GigabitEthernet2/0
R       150.1.4.0/24 [120/3] via 163.1.38.3, 00:00:08, GigabitEthernet1/0
R       150.1.4.0/23 [120/1] via 163.1.38.3, 00:00:08, GigabitEthernet1/0
R       150.1.3.0/24 [120/2] via 163.1.18.1, 00:00:17, GigabitEthernet2/0
R       150.1.2.0/24 [120/2] via 163.1.18.1, 00:00:17, GigabitEthernet2/0
R       150.1.1.0/24 [120/3] via 163.1.38.3, 00:00:08, GigabitEthernet1/0
C       150.1.8.0/24 is directly connected, Loopback0