market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 ME52 A 6 80000 1223 4/17/97 11:12:46 80000 12 1 ME52 A 6 38002 1224 4/17/97 11:38:53 28501 12 1 ME52 B 6 80000 1223 4/17/97 11:12:46 80000 12 2 ME52 B 6 40050 1224 4/17/97 11:38:53 30037 12 2 RE11 C 6 4900 1236 4/17/97 11:35:34 3185 13 21 RE12 C 6 80000 1223 4/17/97 11:12:46 80000 13 23 RE12 C 6 39022 1224 4/17/97 11:38:53 29266 13 23 RE12 D 6 80000 1223 4/17/97 11:12:46 80000 13 24 RE12 D 6 38001 1224 4/17/97 11:38:53 28500 13 24