market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
B405	F	272	1144000	2697	1/13/97	15:08:05	858000	2	18
B397	F	272	2009000	2627	1/13/97	15:06:34	1506750	4	24
B371	E	272	151000	2751	1/13/97	15:04:01	151000	4	26