tens unit
29:25
44:39
58:30
32:50
42:50
22:06
28:16
63:34
41:00
57:19
64:57
57:22
42:17
19:08
60:12
56:51
50:43
35:51
18:41
32:24
50:03
25:31
33:05
23:14
49:38
67:28
50:30
54:26
9:16
41:48
20:37
42:55
28:17
23:29
45:58
24:30
17:52
29:19
53:15
17:49
40:27
45:07
45:58
13:34
33:03
25:36
29:19
32:56