3. The Rule in Action (continued)

At epoch 41, the trend continues and the symbols appear to move down the CA screen. This continues until the symbols spread down to the bottom part of the CA screen.

At epoch 77, the whole CA space is almost full with the o symbol.



At epoch 78, the entire CA space is full. This means all the ctrl fields are "alive", so the condition in line 25 no longer is applicable.



At epoch 79, the screen will remain full. The CA screen appears to not change after epoch 78. In fact, the lines are just being recreated over the original lines across the screen going down. It is an infinite loop and will continue to look the same as the epoch number continues to increase.