(1.1, 1.2), (1.3, 1.4)
ALL, 3.1-3.4, 3.5-3.8
(4.1, 4.2), (4.3, 4.4, 4.5), 4.6, 4.7, 4.8
5.1, 5.2, 5.3, 5.4, ALL 5
ALL 6