market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
B406	D	271	2210000	2697	1/13/97	12:52:48	2210000	2	13
B405	D	271	838000	2697	1/13/97	12:52:48	838000	2	16
B405	E	271	811000	2702	1/13/97	12:52:11	811000	2	17
B397	F	271	1826000	2697	1/13/97	12:52:48	1369500	4	24
B135	F	271	262000	2788	1/13/97	12:56:31	196500	26	9