Pre-block

	Pre-block
	<span class="mw-default-size" typeof="mw:File"><a href="/wiki/File:Preblock.png" class="mw-file-description" title="Pre-block image"><img alt="Pre-block image" src="/w/images/a/a0/Preblock.png" decoding="async" width="65" height="65" class="mw-file-element"></a></span>
	<span class="mw-default-size" typeof="mw:File"><a href="/wiki/File:Preblock.png" class="mw-file-description" title="Pre-block image"><img alt="Pre-block image" src="/w/images/a/a0/Preblock.png" decoding="async" width="65" height="65" class="mw-file-element"></a></span>
	View static image
Pattern type	Miscellaneous
Number of cells	3
Bounding box	2 × 2
Static symmetry	Unspecified
Discovered by	Unknown
Year of discovery	Unknown
Pattern files
Plaintext	preblock.cells
RLE	preblock.rle

Pre-block is a common parent of the block.

External links

Pre-block at the Life Lexicon