About abstraction results of 321
31:33 27:49 24:05 31:33 51:39 01:32 55:41 83:32 133:00 31:00 28:56 40:57 33:12 27:41 62:41 86:22 75:01 33:34 26:49 30:00 31:27 38:26 39:01 34:33 59:53 130:04 65:56 37:12 41:48 151:33 127:33 123:28 116:56 101:54 89:16 89:16 56:48 37:07 48:07 38:39 44:17 41:46 32:11 74:21 75:52 96:56