market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
B028	D	268	4302000	2702	1/13/97	09:02:24	4302000	2	10
B406	F	268	2944961	2713	1/13/97	09:04:59	2208720	2	15
B405	D	268	692000	2697	1/13/97	09:07:06	692000	2	16
B157	F	268	3204333	2671	1/13/97	09:05:55	2723683	4	9