market	freq_block	bid_round	bid_amt	bidder_num	date	time	net_bid_amt	min_accept	num_of_bids	sort_col_1	sort_col_2
N001		7	18500000	0252	4/1/97	11:52:56	18500000	21275000	1	1	1
N002		7	16000100	0253	4/1/97	11:51:42	16000100	18400000	1	1	2