Pieces count throughout Petscop

Petscop
Starts with 0 pieces
Ends with 55 pieces

Petscop 2
Starts with 55 pieces
Ends with 212 pieces

Petscop 3
Starts with 212 pieces
Ends with 231 pieces

Petscop 4
No pieces collected
Presumably 231

Petscop 5
Starts with 231 pieces
None collected

Petscop 6
Starts with 231 pieces
None collected

Petscop 7
Starts with 231 pieces
None collected

Petscop 8
No pieces collected
Presumably 231

Petscop 9
Starts as demo with 0 pieces
Ends demo with 16 pieces
Gameplay starts with 231 pieces
Ends with 344 pieces

Petscop 10
The save menu shows 3 entries, the first and last with 344 pieces, and the second with 201 pieces
Paul plays the first
Ends with 344 pieces

Petscop 11
Starts with 344 pieces
Gameplay ends with 368 pieces
Demo plays
Starts with 394 pieces
Ends with 425 pieces
Paul continues and ends gameplay with 368 pieces
Demo continues
No new pieces are collected
Presumably 425

Petscop 12
Demo plays
It seems Tiara/Belle is playing
Starts with 0 pieces
Section ends with 12 pieces collected
Resumes with 23 pieces
Section ends with 41 pieces collected
Resumes and ends with 101 pieces

Petscop 13
Demo plays with Pauls voice recording
Starts with 368 pieces
Section ends with 383 pieces
In a new save, still in a demo, Paul has 43 pieces
Ends with 45 pieces

Petscop 14
Demo plays
No pieces displayed
A recording by Paul plays alongside a demo recording
Starts with 383 pieces
Ends with 385 pieces
Restarts blind gameplay with 383 pieces each time
Section ends with 394 pieces
Paul's save is overriden with 394 pieces
None collected

Petscop 15
Demo plays
Starts with 444 pieces
Ends with 454 pieces