16 png
(8.32 MB, 3572x5225)

17 png
(8.85 MB, 3571x5227)

20 png
(18.77 MB, 4144x5889)

12 png
(20.2 MB, 4302x6085)

Upon looking at the B&W one,
12 & 20 are missing from the colored ones.
16 & 17 doesn't have a pixelated appearance.
17 is also slightly different.
I also optimized these PNGs, although they are only 0.5MB smaller.