Help with the game Letris

Hi,



I was totally addicted to Letris 2 and i'm trying to play to the new Letris 3 and i don't know how to clear the level 33 because i can't breack the rocks :confused:



Help please! :confused:

via iLounge Forums http://forums.ilounge.com/ios-apps-games/279773-help-game-letris.html