25 24 23 22.3 22.2 22.1 21.3 21.2 21.1 12 11.2 11.1p 11.1q 12 13 14 15 16.1 16.2 16.3 21 22.1 22.2 22.3 23.1 23.2 23.3 24 25.1 25.2 25.3 26 27