File list (Check if you may need any files):
TWINS
.....\.classpath
.....\.project
.....\bin
.....\...\twins
.....\...\.....\Model$1.class
.....\...\.....\Model$2.class
.....\...\.....\Model.class
.....\...\.....\ModelListener.class
.....\...\.....\State.class
.....\...\.....\Test.class
.....\...\.....\TestModel.class
.....\...\.....\TwinsField$1.class
.....\...\.....\TwinsField$2.class
.....\...\.....\TwinsField.class
.....\...\.....\TwinsFrame.class
.....\...\.....\TwinsTimer$1.class
.....\...\.....\TwinsTimer$2.class
.....\...\.....\TwinsTimer$Timer.class
.....\...\.....\TwinsTimer.class
.....\...\.....\TwinsView$1.class
.....\...\.....\TwinsView.class
.....\src
.....\...\main
.....\...\....\twins
.....\...\....\.....\Model.java
.....\...\....\.....\ModelListener.java
.....\...\....\.....\State.java
.....\...\....\.....\Test.java
.....\...\....\.....\TwinsField.java
.....\...\....\.....\TwinsFrame.java
.....\...\....\.....\TwinsTimer.java
.....\...\....\.....\TwinsView.java
.....\...\test
.....\...\....\twins
.....\...\....\.....\TestModel.java