A | 11:44 b, a 12:44 +1b, a 13:44 -4a, b |
11:47 b, a 12:47 -1b, a 13:47 a, b | |
11:49 -1b, a 12:49 -1b, a 13:49 -2a, b | |
11:52 +1b, a 12:52 -2b, a 13:52 -2a, b | |
11:55 +2b, a 12:55 +4b, a 13:55 -2a, b | |
11:57 +2b, a 12:57 +4b, a 13:57 -2a, b | |
B | 11:59 b, a 12:59 b, a 13:59 a, b |