The four lights illuminate green, the inner two turn on, then the outer two, then the outer two turn off, then finally the inner two turn off

Centered Green

First enter "shell" without (")
Second enter "sudo su" Without (")
 
ectool lightbar seq stop
ectool lightbar 4 00 00 00
 
while :
do
 
        ectool lightbar 1 00 cc 00
        ectool lightbar 2 00 cc 00
        sleep 0.2
        ectool lightbar 0 00 cc 00
        ectool lightbar 3 00 cc 00
        sleep 0.2
        ectool lightbar 0 00 00 00
        ectool lightbar 3 00 00 00
        sleep 0.2
        ectool lightbar 1 00 00 00
        ectool lightbar 2 00 00 00
        sleep 0.5
done