market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
N001		13	38023613	0252	4/1/97	14:47:06	38023613	1	1
N002		13	37700000	0253	4/1/97	14:45:51	37700000	1	2
N002		13	36704392	0250	4/1/97	14:46:13	36704392	1	2