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A 200 B1 0.4 B2 G 0.4 4 C 30 D 10
1-7 A 300-1000 B1 B2 0.7-1.0 7-10 C 30-45 D 10
7-18 A 1000 B1 B2 1.2-1.8 12-18 C 45-60 D 10
18-40 A 1000 B1 B2 1.2-2.0 12-20 C 60 D 10 C