private static Displayable SwitchableSegment2(char onTrigger, string firstOnValue, string secondOnValue)
 {
     return(new CircularDisplayable(
                SegmentFactory.CreateSwitchable(onTrigger, firstOnValue, _()),
                SegmentFactory.CreateSwitchable(onTrigger, secondOnValue, _()),
                SegmentFactory.CreateSwitchable(onTrigger, onTrigger.ToString(), _())));
 }