en
conf t

access-list 1 deny host 192.168.1.2
access-list 1 permit any

do show access-list

int g0/1
 ip access-group 1 out
exit
------------------------------------

!! now ping from 1.2 -> 2.2 | 1.2 -> 4.2 | 1.3 -> 2.2

do show access-list 

!! solve the remaining task yourself