The 3-6-3 Stack
Cups are "up stacked" and "down stacked" from left to right or right to left (individual preference) in three stacks made up of three cups on the left, six cups in the center, and three cups on the right (3-6-3).
Cups are "up stacked" and "down stacked" from left to right or right to left (individual preference) in three stacks made up of three cups on the left, six cups in the center, and three cups on the right (3-6-3).