market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 E029 B 149 71000 3014 12/1/97 11:01:19 71000 1 86 E046 C 149 16000 3078 12/1/97 11:02:19 10400 1 138 E079 C 149 310000 3014 12/1/97 11:01:19 310000 1 237 E081 B 149 366000 3056 12/1/97 11:02:26 237900 1 242 E081 C 149 409000 3056 12/1/97 11:02:26 265850 1 243 E147 A 149 166000 3085 12/1/97 11:06:12 107900 1 439 E147 B 149 342000 3085 12/1/97 11:06:12 222300 1 440