MAP public IP to the internal LAN server

Hello All, I have a Fortigate 50E model with one WAN port active and using a single LAN. Current IP of the WAN is 111.111.111.111/30 and I have been provided with a public IP pool of 222.222.222.222/29 I want to map these public IP with my local LAN servers which have IP address in range of 192.168.1.xx/24 Can you please share a proper KB article or steps for same.

Regards.