Lobster
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Lobster  
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Pattern type  Spaceship  

Number of cells  83  
Bounding box  26 × 26  
Direction  Diagonal  
Period  7  
Mod  7  
Speed  c/7  c/7  
Heat  81.7  
Discovered by  Matthias Merzenich  
Year of discovery  2011  
 
 

Lobster is a c/7 diagonal spaceship that was discovered by Matthias Merzenich on August 19, 2011.^{[1]} It was the first c/7 diagonal spaceship to be found. It consists of two gliders pulling a tagalonglike object that then rephases them. It can be infinitely extended, with its wings used as pushalongs^{[2]}^{[3]} It can also burn through one or two rows of blocks.
Lobster was voted Pattern of the Year for 2011 on the ConwayLife.com forums, tied with the fully universal Turing machine.^{[4]}
A lobster can burn through diagonally placed blocks^{[5]} (click above to open LifeViewer) 
References
 ↑ Matthias Merzenich (August 19, 2011). c/7 diagonal spaceship (discussion thread) at the ConwayLife.com forums
 ↑ New spaceship velocity at Game of Life News. Posted by Adam P. Goucher on August 26, 2011.
 ↑ Matthias Merzenich (August 20, 2011). Re: c/7 diagonal spaceship (discussion thread) at the ConwayLife.com forums
 ↑ beebop (February 28, 2012). Patterns of the Year 2011 (discussion thread) at the ConwayLife.com forums
 ↑ qqd (November 29, 2023). Re: Thread For Your Accidental Discoveries (discussion thread) at the ConwayLife.com forums
External links
 Lobster at the Life Lexicon
 Lobster at Adam P. Goucher's Catagolue
Categories:
 Patterns
 Spaceships with 83 cells
 Periodic objects with minimum population 83
 Patterns with 83 cells
 Patterns found by Matthias Merzenich
 Patterns found in 2011
 Spaceships
 Spaceships with period 7
 Diagonal spaceships
 Spaceships with speed c/7
 Spaceships with unsimplified speed c/7
 Spaceships with heat 81
 Spaceships with mod 7
 Pattern of the Year top contenders
 Pattern of the Year winners
 Patterns with bilateral diagonal symmetry