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section 1.2 -- 1, 5, 8, 10, 13, 17, 19, 22, [30], and [36]

section 1.3 -- 1, 2, 4, 7, 8, 9, 15, 17, 24, [29]

section 1.4 -- 3, 7, 11, 17, 23, 26, 29, 33, 36, [38]