please solve step by step cisco netwrok system

ASSIGNMENT: EIGRP Config 1- Design the Interface IPs 2- Configure all the interfaces 3- Configure Loopback Interfaces (L1 and L2) 4- Configure EIGRP on all routers and maintain end-to-end communication SUCCESS CRITERIA : Loopback Interfaces must be pinged from PC0 PCs should ping each other

Router 80.80.80.0 /24 10.10.10.0/24 100.100.100.0 /24 Routero 70.70.70.0 /24 30.30.30.5 / 28 20.20.20.0 / 24 L1: 172.15.8.9/29 L2: 172.88.99.2/23 90.90.90.3 /30 60.60.60.0 /24 Swticho Router0(3) Router(5) Router(1) 192.168.52.0 124 PC1 50.50.50.0 / 24 40.40.40.0 /24 PCO Switch1 Router(2) AS 279