¤..¤..¤.¤.                                          ..¤¤...¤.¤
¤¤..¤.....                                          ..¤¤¤....¤
.¤¤..¤....                                          ¤.¤.¤¤...¤
.¤¤¤..¤...                                          ¤...¤¤¤...
.¤.¤¤..¤..                                          ¤¤..¤.¤¤..
...¤¤¤..¤.            @#@#@#@###$~##@#@             .¤¤...¤¤¤.
...¤.¤¤..¤             @ tetris effect @            .¤¤¤..¤.¤¤
¤....¤¤¤..             @#@#@#@###$~##@#@            .¤.¤¤...¤¤
¤¤...¤.¤¤.                                          ...¤¤¤..¤.
¤¤¤....¤¤¤       tetris inducing activites:         ¤..¤.¤¤...
¤.¤¤...¤.¤                                          .¤...¤¤¤..
..¤¤¤....¤   ~ tetris                               ..¤..¤.¤¤.
..¤.¤¤...¤   ~ context free grammars (especially    ...¤...¤¤¤
¤...¤¤¤...     refactoring)                         ....¤..¤.¤
¤¤..¤.¤¤..   ~ waiting tables                       ¤....¤...¤
.¤¤...¤¤¤.   ~ minecraft                            .¤....¤..¤
.¤¤¤..¤.¤¤   ~ protoss in star craft brood war      ..¤....¤..
.¤.¤¤...¤¤   ~ google maps                          ¤..¤....¤.
...¤¤¤..¤.                                          .¤..¤....¤
¤..¤.¤¤...                                          ..¤..¤....
.¤...¤¤¤..                                          ¤..¤..¤...
..¤..¤.¤¤.                                          ¤¤..¤..¤..
...¤...¤¤¤                                          ¤¤¤..¤..¤.
....¤..¤.¤                                          ¤.¤¤..¤..¤