market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
B458	E	256	669000	2697	1/9/97	15:43:00	669000	4	20
B060	E	256	1814000	2697	1/9/97	15:43:00	1814000	35	2