market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 ME09 A 16 45250 1212 4/21/97 15:11:54 45250 2 9 ME11 A 16 303026 1234 4/21/97 15:05:40 303026 2 13 ME27 B 16 374001 1218 4/21/97 15:02:08 243100 4 12 ME49 B 16 3600 1228 4/21/97 15:18:55 2340 9 2 ME51 A 16 700 1228 4/21/97 15:18:55 455 11 1 ME51 B 16 600 1228 4/21/97 15:18:55 390 11 2 ME52 B 16 299000 1223 4/21/97 15:03:04 299000 12 2 RE08 C 16 11008 1216 4/21/97 15:04:10 7155 13 15 RE09 C 16 3000 1222 4/21/97 15:03:12 1950 13 17 RE11 D 16 5300 1236 4/21/97 15:08:43 3445 13 22