Question 3
There are nine cards that are arranged in a sequence $7,8,9,4,5,6,1,2,3$ in this order as shown below. On each turn, we may remove any number of consecutive cards, reverse their order and put them back anywhere in the row. After three turns the cards are in the sequence $1,2,3,4,5,6,7,8,9$. What are the three turns? Show your steps.
Original response template:
Original response template: