The figure shows Tap G, Tap H and an empty tank with a capacity of 61.2 litres. Water flows Tap G at 1.6 litres per minute and from Tap H at 1.2 litres per minute. Tap G was turned on first. Tap H was turned on 5 minutes later. The taps were turned off at the same time when the tank was completely filled without overflowing. How much water flowed from Tap G?