A method for optimizing the position of a plurality of containers in a block, including at least one crane configured to move the containers is provided. A crane control unit (CCU) is provided in which the following steps are performed: identifying a selected container to be moved from a current position CP within a sub-section of said block to a new position NP within the sub-section; calculating a number of container moves required facilitating the move of the selected container in previous step; arranging the required number of container moves in a queue for each crane; and performing the container moves as arranged in the queue by controlling said at least one crane. Also provided is a computer program, a computer-readable medium encoded with the computer program, and a system for optimizing the position of a plurality of containers in a block.