400
In the figure shown, 3 wires are braided. The braid starts out with the wires in position ABC. in step one, the left wire is brought to the middle position. Then step two, the right wire is brought to be in the middle position and so on. With each step, the new left and new right pieces are brought to be the middle in alternating steps. At what numbered step does the the braid repeat the origanal order, ABC?
What is step 6