Private Sub Form_Load()
Command1.Caption = 0
End Sub
Private Sub Command1_Click()
Randomize
l = CLng(Rnd * 10 + 10)
Timer1.Interval = 20 - l + 1
End Sub
Private Sub Timer1_Timer()
With Timer1
.Interval = IIf(.Interval >= 500, 0, .Interval + l)
End With
Command1.Caption = (Command1.Caption + 1) Mod 37
End Sub