testdata
........\ENTER
........\LIFT.BAT
........\lift1.in
........\lift1.OUT
........\lift10.IN
........\lift10.OUT
........\lift2.in
........\lift2.OUT
........\lift3.in
........\lift3.OUT
........\lift4.in
........\lift4.OUT
........\lift5.in
........\lift5.OUT
........\lift6.IN
........\lift6.OUT
........\lift7.IN
........\lift7.OUT
........\lift8.IN
........\lift8.OUT
........\lift9.IN
........\lift9.OUT