WEBVTT X-TIMESTAMP-MAP=LOCAL:00:00:22.000,MPEGTS:2880000 00:00:21.000 --> 00:00:23.000 line:10%,start position:50%,center size:80% align:left top left, three lines of text 00:00:23.500 --> 00:00:25.500 line:10%,start position:50%,center size:80% align:right To the right, ok 00:00:26.000 --> 00:00:28.000 line:90%,end position:50%,center size:80% align:center One.