market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
N001		1	8000000	0252	4/1/97	09:17:58	8000000	1	1
N002		1	8200000	0251	4/1/97	09:18:30	8200000	1	2
N002		1	8112358	0250	4/1/97	09:18:17	8112358	1	2
N002		1	8000001	0253	4/1/97	09:18:41	8000001	1	2