Where do you move the boulders in seafloor cavern?

It seems you're asking about a specific puzzle or game! To help me understand and give you the right answer, I need more information. Please tell me:

* What game are you playing? (e.g., "The Legend of Zelda: Breath of the Wild", "Minecraft", etc.)

* Where is this seafloor cavern located? (e.g., "near a shipwreck", "in a specific area of the map")

* What are the boulders like? (e.g., "large", "small", "round", "square", etc.)

* Is there anything else you know about this puzzle? (e.g., "I need to move the boulders to reach a chest", "there's a switch I need to activate", etc.)

The more information you provide, the better I can help you solve the puzzle!