1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
7. 7
8. 8
9. 9

#!/bin/bash
trap "kill 0" EXIT
go run . -d 0 &
for i in $(seq 1 9)
do
    sleep 0.2
	go run . -d $i -b :420$i -u http://localhost:420$i -i http://localhost:420$((i-1)) &
done
wait