2. Go up and release the first ladybug by removing the marked mud block. You can take away the block below as well, might be easier. The ladybug will wander to the cactus and destroy it - the first red block is free.
3. Go down like at the beginning. This time at the left side.
4. Remove the marked mud blocks. It's best done while going up.
5. Release the second ladybug by removing the mud. It will go to the left cactus. Now both red blocks are free and the room is solved.