Ace of Diamonds, King of Hearts, and Two of Spades.
- Clue 1: The two is to the right of the king, so the king must be in the middle, with the two on the right.
- Clue 2: The diamond is to the left of the spade, placing the spade on the far right, and the diamond on the far left.
- Clue 3: The ace is to the left of the heart, so the ace must be on the far left, and the heart in the middle.
- Clue 4: The heart is to the left of the spade, confirming the heart is in the middle.