" <-APL2-------------------- sam199.txt ---------------------------->
" <--------------------------- enlist ------------------------------>
a#(10 20 30) 'ab'
b#Ea
b
Rb
c#'ale' 'beer' 'stout'
L#z#Ec
Rz
`=z
L#h#(2 2RI4)(2 2R(5 6(2 2R7 8 9 10)11))'abcd'
L#k#Eh
Rk
`=k
)off