1. T 1 1 1 2 2. 2 2 7 3cm 2cm No 7 3om 2cm 50R20 S S 39 0 41 5cm 50R20 M M 42 0 44 5cm 108 0023 4 4 44 8F O IFU 50R20 201212 SPR lt 1 3 gt A B C 3. A 4. 4 C G E A B E 5 G 6 C D C G 8 G G 5. E D A 5 8 7 A A B C D A 7 3cm 2cm A B 1 4 C 5 8 D 6. A 30 C 50R20 G H A B C D La A A B 7. K A C 3 4 3 4 K A 9 L K C 3 4 10 C C E D D 11 F 8. D E F G H J K L 1 3 A B C A 1 gt 4 C G 9. C D 50R20 10. J C D C 1 4 D 7 8 J D 5 6 J