market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
B004	B	110	13000	3407	3/23/98	10:33:20	9750	41	12
B077	B	110	235000	3309	3/23/98	10:31:25	235000	22	18
B144	B	110	274000	3380	3/23/98	10:36:31	150700	27	12
B476	A	110	70000	3305	3/23/98	10:33:03	38500	12	45
B491	B	110	44000	3279	3/23/98	10:32:27	24200	25	6