Tub

Four cells around a hole. Add a cell to any corner and you get a boat.

B3/S23 live simulation — not a recording
Category
still life
Rule
B3/S23
Bounding box
3 × 3
Live cells
4
Views
3
still life
Pattern data
x = 3, y = 3, rule = B3/S23
bo$obo$bo!

Run Length Encoded - the standard interchange format. This will paste straight into Golly or any other Life program.

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