Hand the three items across the central partition: the arm on the item side picks up each object and passes it to the other arm in mid-air above the partition, and the receiving arm places it into the container on its own side. Success condition: All three items are passed arm-to-arm across the partition and end up in the container. 1. move passer arm to an item on the object side 2. grasp the item 3. lift the item into mid-air above the barrier 4. move receiver arm across to the held item 5. grasp the item with the receiver arm 6. release the item from the passer arm 7. move the item above the receptacle on the receiver side 8. release the item into the receptacle 9. repeat for all three items grasped contact near aligned_with inside on_top_of supports separated_from left_of right_of above below in_front_of behind open closed inserted_into stable