issue #230 change last to first (#255)
issue #230 change last to first (#255)


5xRuby/daikichi,YushengLi/daikichi,5xRuby/daikichi,YushengLi/daikichi,5xRuby/daikichi,YushengLi/daikichi,YushengLi/daikichi,5xRuby/daikichi