About optimal results of 831
21:16
22:19
21:27
26:40
27:24
26:16
16:47
26:12
48:16
30:04
38:27
70:25
73:49
57:30
54:47
43:53
64:45
76:34
33:12
42:56
30:51
30:33
35:57
29:38
30:30
88:06
60:14
50:37
61:07
54:37
32:24
26:40
42:19
31:02
29:05
25:31
41:38
30:31
34:03
67:16
72:44
31:31
57:42
31:02
51:34
39:53