market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
N001		5	12650000	0252	4/1/97	11:13:02	12650000	1	1
N002		5	13437661	0250	4/1/97	11:11:55	13437661	1	2
N002		5	13000013	0251	4/1/97	11:12:24	13000013	1	2