[twitch:vod] Make the same format code for 720 live and offline vod

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I noticed that format code for live (that are recording while stream is live) and offline vods on twitch are different:
720-0 and 720p-1 in live vod:

C:\Users\User>youtube-dl -F https://go.twitch.tv/videos/181353207
[twitch:vod] 181353207: Downloading vod info JSON
[twitch:vod] 181353207: Downloading vod access token
[twitch:vod] 181353207: Downloading m3u8 information
[info] Available formats for v181353207:
format code  extension  resolution note
Audio_Only   mp4        audio only    0k , mp4a.40.2
160p         mp4        284x160       0k , avc1.4D400C, mp4a.40.2
360p         mp4        640x360       0k , avc1.4D401E, mp4a.40.2
480p         mp4        852x480       0k , avc1.4D401E, mp4a.40.2
720p-0       mp4        1280x720      0k , avc1.4D401F, mp4a.40.2
720p-1       mp4        1280x720      0k , avc1.4D401F, mp4a.40.2
864p         mp4        1536x864      0k , avc1.64002A, mp4a.40.2 (best)

720p and 720p60 in offline vod:

C:\Users\User>youtube-dl -F https://go.twitch.tv/videos/181353207
[twitch:vod] 181353207: Downloading vod info JSON
[twitch:vod] 181353207: Downloading vod access token
[twitch:vod] 181353207: Downloading m3u8 information
[info] Available formats for v181353207:
format code  extension  resolution note
Audio_Only   mp4        audio only    0k , mp4a.40.2
160p         mp4        284x160       0k , avc1.4D400C, mp4a.40.2
360p         mp4        640x360       0k , avc1.4D401E, mp4a.40.2
480p         mp4        852x480       0k , avc1.4D401E, mp4a.40.2
720p-0       mp4        1280x720      0k , avc1.4D401F, mp4a.40.2
720p-1       mp4        1280x720      0k , avc1.4D401F, mp4a.40.2
864p         mp4        1536x864      0k , avc1.64002A, mp4a.40.2 (best)

Is there are reason for this?
I ask live vods to use 720p and 720p60 instead.

Examples:
https://go.twitch.tv/videos/181353207 (live)
https://go.twitch.tv/videos/181045697 (offline)
https://go.twitch.tv/streamerhouse/videos/all