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		21	83346000	0253	4/1/97	16:45:40	83346000	87513000	0	1	1
N002		23	89888888	0251	4/2/97	09:02:24	89888888	94383000	0	1	2