You chose way of punishment. It is better to split work into 3 parts: 2/3, 2/9, and 1/9, and assign 2/3 to winner, 2/9 to second winner, and 1/9 to third winner

You chose way of punishment. It is better to split work into 3 parts: 2/3, 2/9, and 1/9, and assign 2/3 to winner, 2/9 to second winner, and 1/9 to third winner. In this case whole ecosystem will grow around these auctions, which will produce into better market and lower prices automagically.