Problem 1: DeckOfCards: https://youtu.be/nggxQeCUbtw
Problem 2: CubeStackingGame: https://youtu.be/3EUxow6Ysw8
Problem 3: TheFlippingGame2: https://youtu.be/OuiEk87IVQs
Problem 1: DeckOfCards: https://youtu.be/nggxQeCUbtw
Problem 2: CubeStackingGame: https://youtu.be/3EUxow6Ysw8
Problem 3: TheFlippingGame2: https://youtu.be/OuiEk87IVQs