divert(-1) # move(from, to) define(`move', `Move one disk from `$1' to `$2'. ') # _hanoi (cnt, from, to, aux) define(`_hanoi', `ifelse(eval(`$1'<=1), 1, `move($2, $3)', `_hanoi(decr($1), $2, $4, $3)move($2, $3)_hanoi(decr($1), $4, $3, $2)')') # hanoi (cnt) define(`hanoi', `_hanoi(`$1', source, destination, auxilliary)') # traceon(`move', `_hanoi', `decr') divert`'dnl