def towers_hanoi(disks)
    @numdisks = disks
  end

  def solve_towers(disks, srcpeg, destpeg, temppeg)
    if (disks == 1)
      p "#{srcpeg} --> #{destpeg}"
    end
    solve_towers( disks - 1, srcpeg, temppeg, destpeg )
    p "#{srcpeg} --> #{destpeg}"
    solve_towers( disks - 1, temppeg, destpeg, srcpeg )
  end