market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 ME22 A 14 50234 1212 4/21/97 10:36:55 50234 4 1 ME26 A 14 232312 1234 4/21/97 10:38:28 232312 4 9 ME27 B 14 287101 1218 4/21/97 10:45:08 186615 4 12 ME49 A 14 1800 1228 4/21/97 10:52:55 1170 9 1 ME52 B 14 248000 1223 4/21/97 10:34:29 248000 12 2 RE09 C 14 1000 1228 4/21/97 10:52:55 650 13 17 RE09 D 14 1800 1228 4/21/97 10:52:55 1170 13 18 RE11 D 14 4400 1236 4/21/97 10:36:09 2860 13 22