(0:3) When somebody moves into object type (Off Sink), (3:6) where the triggering furre moved into, (5:4) place object type (On Sink). (0:100) When 1 seconds have passed, offset by 0, (5:400) Cycle the three object types in this sequence one step forward: Sink Cycle 1, Sink cycle 2, Sink Cycle 3. (0:3) When somebody moves into object type (Sink Cycle 1), (0:3) When somebody moves into object type (Sink Cycle 2), (0:3) When somebody moves into object type (Sink Cycle 3), (3:6) where the triggering furre moved into, (5:4) place object type (Off Sink).