market	freq_block	round_num	bid_amt	bidder_num	date	time	net_bid_amt	sort_col_1	sort_col_2
B103	F	155	23000	2756	12/4/96	12:17:00	23000	3	42
B312	F	155	577000	2760	12/4/96	12:23:00	432750	6	57
B120	F	155	12000	2790	12/4/96	12:21:00	10200	28	24