Set up 10 :cup: into four islands of 3, 3, 2, and 2. You choose where to place them, but a maximum of 2 :cup: can be placed in a horizontal row. You can only be re-racked at 5 :cup:, into an island of 3 and an island of 2 following the same spacing.
Set up 6 :cup: into three islands of 2 cups. You choose placement, but max 2 cups in a horizontal row. You can be re-racked into an island of 3 cups or 2 cups following the same spacing.