Hello I am new to scripts, codes, bash, terminal, etc.
I apologize this my be very scattered because I frankly don't have any idea where to begin and I have had trouble sleeping lately.

I have several 2GB files I wish to split.
This Code

Code:

00 00 01 BA ** ** ** ** ** ** ** ** C3 F8 00 00 01 BB 00 12 80 C4 E1 00 E1 7F B9 E0 E8 B8 C0 20

reoccurs several times in each file, sadly they are not evenly spaced otherwise

Code:

split -a 6 -b 2k

would work just fine for what I am doing.
Out of the first 12 bits 5,6,7,8,9,10,11,12 are random, they change in sequential order and they must be included at the start of the file.

The files should start at

Code:

00 00 01 BA etc

and end before the next occurrence of

Code:

00 00 01 BA etc

Code:

00 00 01 BA

Occurs every 2048 bits but is not the part I'm looking for.
Just the bits after the first 12 are important.

I have been searching for a code to split the file at every occurrence. After trying and failing with many different tricks around the internet, I have decide to ask for help.

Back Story to problem:
I have a 500GB HD that had a 40GB HFS+ partition that I was using to transfer files from an old Dell PC to my Mac. Well, I needed to reformat it I no longer remember why.
Well, somehow the partition map got messed up and instead formatted the HFS 450GB partition. Which had all my home videos on it.
I just got the disks to burn them all to DVD to save in a lock box. 20 Years of video.
I found an application called disk drill and used that to recover all the data.
I am not sure if everything was found but it seems like it may have reconstructed the important stuff.

My problem with resolution:
Well, the videos are all jumbled up, bits and pieces of Mpeg2 videos are mixed together.
I figured out where the files need to be split with the help of an app called HEX Fiend.
And turns out there is a type of timecode used in the mpeg 2 files binary data. So using that I was able to correct 2 video files. Took me a week.