9 /usr/ucb/ex /usr/ucb/edit /usr/lib/ex /usr/lib/how_ex
22 0 1 2 3 4 5 6 7 8 9 10 braces
23 x0y x1y x2y x3y x4y x5y x6y x7y x8y x9y x10y xbracesy
27 10y 9y 8y 7y 6y 5y 4y 3y 2y 1y
28 x10y x9y x8y x7y x6y x5y x4y x3y x2y x1y
31 a _ ^ ] [ Z Y X W V U T S R Q P O N M L K J I H G F E D C B A
32 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 [ ] ^ _ a
36 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20
37 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10
38 -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0