,,,,,,,,=:                                          :=,,,,,,,,
,,,,,,,=:%                                          %:=,,,,,,,
,,,,,,=:%£                                          £%:=,,,,,,
,,,,,=:%£@                                          @£%:=,,,,,
,,,,=:%£@@                                          @@£%:=,,,,
,,,=:%£@@#            ########@#£=#@###             #@@£%:=,,,
,,=:%£@@##             # tetris effect #            ##@@£%:=,,
,,,=:%£@@#             ########@#£=#@###            #@@£%:=,,,
,,,,=:%£@@                                          @@£%:=,,,,
,,,,,=:%£@       tetris inducing activites:         @£%:=,,,,,
,,,,,,=:%£                                          £%:=,,,,,,
,,,,,,,=:%   = tetris                               %:=,,,,,,,
,,,,,,,,=:   = context free grammars (especially    :=,,,,,,,,
,,,,,,,,,=     refactoring)                         =,,,,,,,,,
,,,,,,,,,,   = waiting tables                       ,,,,,,,,,,
,,,,,,,,,=   = minecraft                            =,,,,,,,,,
,,,,,,,,=:   = protoss in star craft brood war      :=,,,,,,,,
,,,,,,,=:%   = google maps                          %:=,,,,,,,
,,,,,,=:%£                                          £%:=,,,,,,
,,,,,=:%£@                                          @£%:=,,,,,
,,,,=:%£@@                                          @@£%:=,,,,
,,,=:%£@@#                                          #@@£%:=,,,
,,=:%£@@##                                          ##@@£%:=,,
,,,=:%£@@#                                          #@@£%:=,,,