" <-APL2-------------------- sam218.txt ---------------------------->
" <----------------------------- 35 -------------------------------->
(+.X)/(1 2 3) (4 5 6) (7 8 9)
2 1 3 / 2 3 4
2(+)3
(2)+1
(a)#3
a`=3
('abc') `= 'abc'
((2_3))+1
2 `X 'one' 'two'
e#f#g#h#1
e
f
g
h
(a b c)#2 3 4
a
b
c
)off