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1 A V V V V V V 2 B V V V V V V V V V V 3 C V V V V V V V V V V V V
V V V V 4 D V V V V V V V V V V V V V 5 E V V V V V V V V V 6 F V V
V V V V V 7 G V 8 H V V V V V V V 9 I V V V V V V V V V V V V
10 J V V V V V V 11 K V V V V V V V V 12 L V V V V V V V V V V 13 M
V V V V V V 14 N V V V V V V V 15 O V V V V V V V V V 16 P V V V V
V V V V V V V V V V V 17 Q V V V V V V V V V V V V V V V V V V V 18
R V V V V V V V V V 19 S V V V V V V V V V V 20 T V V V V V V V V V
V V V V V V
18 16 17 8 6 3 7 4 2 2 5 14 11 8 2 7 2 7 9 5 13 9 8 12