File list (Check if you may need any files):
Ejercicio21\applet.policy
...........\build\classes\Lienzo.class
...........\.....\.......\Lienzo.rs
...........\.....\.......\MiCanvas.class
...........\.....\Lienzo.html
...........\build.xml
...........\manifest.mf
...........\nbproject\build-impl.xml
...........\.........\genfiles.properties
...........\.........\private\private.properties
...........\.........\.......\private.xml
...........\.........\project.properties
...........\.........\project.xml
...........\src\Lienzo.java
...........\...\MiCanvas.java
...........\build\classes
...........\nbproject\private
...........\build
...........\nbproject
...........\src
Ejercicio21