R2#sh run | b user
!
username Two password 0 For-The-Show
!
!
interface Serial1/2
 ip address 180.40.7.2 255.255.255.224
 encapsulation ppp
 clock rate 64000
 ppp authentication pap optional
 ppp pap sent-username One password 0 For-The-Money
!

R3#sh run | b user
!
username One password 0 For-The-Money
!
interface Serial1/2
 ip address 180.40.7.3 255.255.255.224
 encapsulation ppp
 ppp authentication pap optional
 ppp pap sent-username Two password 0 For-The-Show
!