@a:
             8                                                  10
hh:mm:ss.ms  |___________________________________________________|
%H:00:00.500 |                         *                         | 9
%H:00:00.600 |                         *                         | 9
%H:00:00.700 |                         *                         | 9
%H:00:00.800 |                         *                         | 9
%H:00:00.900 |                         *                         | 9
             v___________________________________________________v
             8                                                  10
