bid_type	market	freq_block	round_num	bid_amt	bidder_num	date	time
S	B133	C	15	16601000	2531	7/11/96	13:34:45
S	B261	C	15	3461000	2531	7/11/96	13:34:45
S	B407	C	15	8800000	2531	7/11/96	13:34:45
S	B492	C	15	199000	2516	7/11/96	13:46:50