{"subtask_index": 0, "subtask": "Grasp the red cylindrical build blocks with the right gripper"}
{"subtask_index": 1, "subtask": "End"}
{"subtask_index": 2, "subtask": "Place the green cylindrical build blocks on the 1st pillar of the block base with the right gripper"}
{"subtask_index": 3, "subtask": "Place the red cylindrical build blocks on the 1st pillar of the block base with the right gripper"}
{"subtask_index": 4, "subtask": "Abnormal"}
{"subtask_index": 5, "subtask": "Grasp the green cylindrical build blocks with the right gripper"}
{"subtask_index": 6, "subtask": "null"}