market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
B053	B	91	263000	3309	3/18/98	16:35:40	263000	42	18
B055	A	91	361000	3386	3/18/98	16:30:30	361000	24	7
B113	A	91	61000	3309	3/18/98	16:35:40	61000	12	41
B142	B	91	14000	3362	3/18/98	16:31:03	7700	12	26
B188	B	91	321000	3309	3/18/98	16:35:40	321000	42	22