market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 ME01 B 9 217000 1206 4/18/97 09:52:02 141050 1 2 ME08 A 9 186112 1234 4/18/97 09:02:00 186112 2 7 ME11 A 9 253220 1212 4/18/97 09:22:35 253220 2 13 ME11 B 9 293112 1234 4/18/97 09:02:00 293112 2 14 ME22 A 9 36112 1234 4/18/97 09:02:00 36112 4 1 ME26 A 9 97112 1234 4/18/97 09:02:00 97112 4 9 ME40 A 9 118000 1206 4/18/97 09:52:02 76700 5 19 ME52 A 9 191000 1225 4/18/97 09:17:09 143250 12 1 RE02 D 9 1170220 1212 4/18/97 09:22:35 1170220 13 4 RE11 D 9 1800 1222 4/18/97 09:02:35 1170 13 22 RE12 C 9 86000 1225 4/18/97 09:17:09 64500 13 23