market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
B019	B	109	38000	3391	3/23/98	09:53:21	20900	41	8
B144	B	109	219000	3398	3/23/98	09:54:10	120450	27	12
B476	A	109	56000	3285	3/23/98	09:46:02	56000	12	45
B491	B	109	36000	3365	3/23/98	09:56:46	27000	25	6