The old TAS time length is 11:58.00 (frame 43151, ended at pressing the button), so it is 192 frames (3.19 seconds) faster than unoptimized TAS.
http://tasvideos.org/userfiles/info/37423759690640135
http://tasvideos.org/forum/viewtopic.php?p=449691#449691
Time Length: 11:54.81 (ended at pressing the button)
Frames: 42959
Rerecord Count: 7593
...
https://www.youtube.com/watch?v=o9LLbl-oiT8