market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
N001		2	8900000	0253	4/1/97	10:04:39	8900000	1	1
N002		2	9342788	0250	4/1/97	10:02:48	9342788	1	2