Chapter 3: The Quadrant of Quadruplets
Section 3: The Quadrant of Quadruplets is where things get really interesting. Here you will learn the art of filling out quadrants with finesse.
Quadrant 3A: The Quadrant of Quadruplets (continued)
Quadrant 3B: The Quadrant of Quadruplets (Alternate Version)
For the advanced practitioner, Quadrant 3B offers an alternate approach to filling out quadrants. But be warned: it's not for the faint of heart.