Die hard

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Die hard
Die hard image
Pattern type Methuselah
Number of cells 7
Bounding box 8×3
Lifespan 130 generations
L/I 18.6
Discovered by Unknown
Year of discovery Unknown

Die hard is a 7-cell methuselah (essentially a collision between a block and the traffic light sequence) that vanishes after 130 generations, which is conjectured to be the limit for vanishing patterns of 7 or fewer cells. Note that there is no limit for higher numbers of cells, as eight cells suffice to have a glider heading towards an arbitrarily distant blinker.

Alternatively, die hard may refer to any methuselah that eventually vanishes.

In other rules

In HighLife, despite the instability of the traffic light sequence, the die hard still works, dissapearing after 119 generations.

External links