I will start this article by making a confession:
When I develop a PLC program, I steal other people’s ladder logic.
I am stealing ladder logic examples for inspiration and solutions to my PLC programs.
From time to time you will be facing the same problem, when you do PLC programming with ladder logic. By looking at examples of ladder logic programs, you will be able to find a solution to your problem very fast. You may even find a smarter solution in the ladder logic examples than your own solution.