market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
N001		15	49250613	0252	4/1/97	15:17:29	49250613	1	1
N001		15	47700000	0253	4/1/97	15:15:43	47700000	1	1
N001		15	43983852	0250	4/1/97	15:15:37	43983852	1	1