s/^/print/
:
y/123456789/23456789a/
s/^/  /mg
s/^/for v1 = 0 to b\n/
s/nt/&,v1/
s/$/\nnext/
/a/!t
y/b/9/
s/a/10/g
s/0/1/
s/,/ /