Mitsubishi plc, how to write programs with alternate and STL instructions, press the button to stop, press the button to start, start to go backwards in the stop position

In the stepping program, the simpler way is to use the pause switch as the normally closed one as the next trigger condition in the stepping program, and the other trigger conditions are connected in series, but only if it is done at each step. Pause, not stop where you want to stop