wiki. secretGeekSpaceships (Game of Life)
Some patterns in Conway's Game of Life appear to travel across the board, by performing oscillations that recreate the same shape, displaced in some direction.
The three listed below all have a periodicity of 4.
Glider
The most famous, the first discovered, and by far the most common spaceship is the glider. Speed: C/4.
00000000000 00000000000 00000000000 00001000000 00000100000 00011100000 00000000000 00000000000 00000000000 00000000000 00000000000
Lightweight spaceship
Speed: C/2.
00000000000000000000000 00000000000000000000000 00011110000000000000000 00100010000000000000000 00000010000000000000000 00100100000000000000000 00000000000000000000000
Middleweight Spaceship
Speed: C/2.
000000000000000000000000 000000000000000000000000 000111110000000000000000 001000010000000000000000 000000010000000000000000 001000100000000000000000 000010000000000000000000 000000000000000000000000
Heavyweight Spaceship
Speed: C/2.
00000000000000000000000000 00000000000000000000000000 00001111110000000000000000 00010000010000000000000000 00000000010000000000000000 00000000100000000000000000 00000000000000000000000000 00000000000000000000000000