I always thought that wave 5 prices couldn't break through the 2-4 line, and in your count it does in PRIMARY wave.
The only exception were waves 5 in the form of terminal wedges. in which their respective waves 2 and 4 could cross the main 2-4, but this wave 5 looks more like an expanding triangle.

If it is valid, why not draw the line 2-4 and get the channel parallel to that 2-4?