func (r Rectangle) String() string {
	return fmt.Sprintf("(Min:%v,Max:%v)", r.Min, r.Max)
}
func (r Rectangle) String() string {
	return fmt.Sprintf("(Min:%v,Max:%v)", r.Min, r.Max)
}
func ( r Rectangle ) String ( ) string { return fmt . Sprintf ( " " , r . Min , r . Max ) }
// String returns a string representation of r.
String returns a string representation of r .