About retention results of 287
18:48 53:41 33:40 18:10 24:38 22:19 24:58 24:36 24:23 30:27 26:26 15:21 87:10 48:21 64:58 76:34 28:16 36:27 57:15 28:13 38:38 33:29 32:39 32:48 37:01 63:49 25:23 39:18 40:50 28:36 68:04 45:29 47:32 34:57 51:05 59:20 59:05 53:52 52:48 52:07 49:01 41:57 53:41 81:45 46:45 64:15