0:00:01.245,0:00:04.392
aaa

0:00:04.392,0:00:06.781
bbb

0:00:06.781,0:00:09.304
ccc

0:00:09.304,0:00:11.834
ddd

0:00:12.337,0:00:15.043
eee

0:00:15.043,0:00:17.754
fff