s Z 2 J 5 7 7 V V 4 rr 31 Ill I5 7 In I3 Z 3 4 17 gz W nu I C x V zu iZ 1 U u us IE5 V ID 27 7 Z 2 3 zz an 26 31 l as an 1 54 Z4 42 1 35 S V si x 1 l 5 0 45 4 37 Y 53 3E T 1 K 45 4 51 47 4 1970 rss 1 u Av ssnxfu Am rowu sznm sonv sum Mem mass as u ev mmcm 1 111 1972 B 580 GROUP 12 000 Rev Apr 1972