===12SIM BY JOU-NAN CHEN, 1994` ! "# $ % & '( ) *+,-./ 0 1 2 3 4 5 6 7 8 9 :;< => ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^_ `ab cd ef g h i j k l m  nop q rst uvw  xy z{ | } ~