market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B462 F 120 162000 2743 11/19/96 10:08:00 121500 32 12 B285 F 120 61000 2743 11/19/96 10:08:00 45750 32 33 B060 F 120 1547000 2609 11/19/96 10:05:00 1160250 35 3