Sims 4:0xD5F0F921

CWAL 0xD5F0F921

DWORD Version
then CommonBlock

Sims 4:CatResCommonBlock

then...
DWORD MatdCount
For MatdCount
	BYTE MatdLabel
	QWORD IID
	DWORD TID (MATD)
	DWORD GID
	
DWORD ImgGroupCount
For ImgGroupCount
	BYTE ImgGroupLabel
	Repeat 3 times:-  (there are three images per imagegroup)
		QWORD IID
		DWORD TID (_IMG)
		DWORD GID

DWORD Unk01

BYTE ColorCount
For ColorCount
	DWORD RGBA (or similar)

QWORD UnkIID01