As in the first Blob's Borders:

Divide the below grid into ten areas (blobs) so that each area:

• ... is contiguous (all cells connect via edges, not just vertices).
• ... has exactly one of the ten numbers shown in the grid.
• ... contains as many cells as the number that it contains.
• ... borders (along edges, not vertices) the same number of other areas as the number that it contains; for example, a 6-cell area will border six other areas, again based on the digit 6 that is contained within its bounds.

2	4
					3
			4
			5
6	2			3
5			2

An example of a completed puzzle of this type is

3	4
		4	4		3
					6
					4
3	3				2

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Puzzle by Thinh Van Duc Lai, from N.Y.Times Magazine, March 31, 2019.