market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
R530	A	30	353000	0317	1/21/97	11:02:48	353000	1	10
R540	A	30	177000	0317	1/21/97	11:02:48	177000	1	13
R718	A	30	625011	0323	1/21/97	11:03:24	625011	1	22