market	freq_block	bid_round	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
B162	B	66	17000	3281	3/19/98	11:01:53	12750	39	12
B244	B	70	220000	3281	3/19/98	11:01:53	165000	39	6
B303	B	71	173000	3281	3/19/98	11:01:53	129750	4	12