x
 d
 foo
 pr toimii
d

amanuenssi
   foo
   q
   foo
   q foo
    q foo
     q foo
x
   foo
   q
   foo
   q foo
    q foo
     q foo
x
 x
   foo
   q
   foo
   q foo
    q foo
     q foo
x
 x
  x
   foo
   q
   foo
   q foo
    q foo
     q foo
debug