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bbox 1 2 3 4 5 bbox_expand 1 2 3 bbox_fixed bbox_xmax bbox_xmin bbox_ymax bbox_ymin bbox_zmax bbox_zmin bc 1 2 3 4 5 6 7 8 9 10 11 12 bc_area bc_id bc_type 1 2 3 bc_type_in bcs 1 2 3 bcset 1 2 3
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