Siemens S7-300 plc’s Sequential cycle execution Programming Examples

When X0 is turned on,
Y0 bright lights;
After 5s,
Y0 lights off,
Y1 bright lights;
After 5s,
Y1 lights off,
Y2 bright lights,
After another 5s,
Y2 lights off,
Y0 bright lights,
Cycle through this sequence