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| "left_5_joint", |
| "left_6_joint", |
| "left_7_joint", |
| "left_gripper", |
| "right_1_joint", |
| "right_2_joint", |
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| "video_path": "videos/{video_key}/chunk-{chunk_index:03d}/file-{file_index:03d}.mp4", |
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