A group of friends - Leena, Reena, and Meena are standing in a row of 13 people. Meena stands in the 8th position from the right. Reena stands in the exact middle of Meena and Leena, who stands in 4th position from the left of Meena. If Meena and Reena also exchange their positions between themselves, then after the exchange, Meena’s position from the left will be