market	freq_block	bid_round	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
B163	B	52	26000	3242	3/11/98	09:09:16	14300	46	8
B331	A	9	551000	3252	3/11/98	09:05:36	303050	24	3
B369	A	39	334000	3252	3/11/98	09:05:36	183700	22	11
B396	A	51	1124000	3242	3/11/98	09:09:16	618200	46	3