Laboratory sample distribution system, comprising: - a number of container carriers, said container carriers each comprising at least one magnetically active device, preferably at least one permanent magnet (2, 6, 7), and being adapted to carry a sample container containing a sample, and - a transport device, comprising: - a two dimensional transport plane being adapted to carry said container carriers, - a number of electro-magnetic actuators (5, 5') being stationary arranged below said transport plane in rows and columns, said electro-magnetic actuators being adapted to move a container carrier placed on top of said transport plane by applying a magnetic force to said container carrier, and - a control device adapted to control the movement of said container carriers on top of said transport plane by driving said electro-magnetic actuators, wherein said control device is adapted to control the movement - such that two or more container carriers are movable simultaneously and independently from one another, and - such that a route being defined by a start location and a destination location is optimized by a given criteria, wherein the given criteria is at least one of the group of: - priority assigned to a container carrier, wherein more than two different priorities are assigned to a container carrier, and - defective electro-magnetic actuators. - a number of container carriers, said container carriers each comprising at least one magnetically active device, preferably at least one permanent magnet (2, 6, 7), and being adapted to carry a sample container containing a sample, and - a transport device, comprising: - a two dimensional transport plane being adapted to carry said container carriers, - a number of electro-magnetic actuators (5, 5') being stationary arranged below said transport plane in rows and columns, said electro-magnetic actuators being adapted to move a container carrier placed on top of said transport plane by applying a magnetic force to said container carrier, and - a control device adapted to control the movement of said container carriers on top of said transport plane by driving said electro-magnetic actuators, wherein said control device is adapted to control the movement - such that two or more container carriers are movable simultaneously and independently from one another, and - such that a route being defined by a start location and a destination location is optimized by a given criteria, wherein the given criteria is at least one of the group of: - priority assigned to a container carrier, wherein more than two different priorities are assigned to a container carrier, and - defective electro-magnetic actuators. - a two dimensional transport plane being adapted to carry said container carriers, - a number of electro-magnetic actuators (5, 5') being stationary arranged below said transport plane in rows and columns, said electro-magnetic actuators being adapted to move a container carrier placed on top of said transport plane by applying a magnetic force to said container carrier, and - a control device adapted to control the movement of said container carriers on top of said transport plane by driving said electro-magnetic actuators, wherein said control device is adapted to control the movement - such that two or more container carriers are movable simultaneously and independently from one another, and - such that a route being defined by a start location and a destination location is optimized by a given criteria, wherein the given criteria is at least one of the group of: - priority assigned to a container carrier, wherein more than two different priorities are assigned to a container carrier, and - defective electro-magnetic actuators. - such that two or more container carriers are movable simultaneously and independently from one another, and - such that a route being defined by a start location and a destination location is optimized by a given criteria, wherein the given criteria is at least one of the group of: - priority assigned to a container carrier, wherein more than two different priorities are assigned to a container carrier, and - defective electro-magnetic actuators. - priority assigned to a container carrier, wherein more than two different priorities are assigned to a container carrier, and - defective electro-magnetic actuators.