" <------------------------- sam170.txt ---------------------------->
" <- State indicator, recursion, )SI ------------------------------->
a # 1 12 R 'recurse a   '
a # a,[1]  '$(a > 2) / r'
a # a,[1]  'a           '
a # a,[1]  'recurse a+1 '
a # a,[1]  'r:a         '
Lfx a
sHrecurse # 4
recurse 0
)si
)off