+ ".......***..." ),
+ LifePattern(
+ _("Glider gun"),
+ _("A gun is a stationary pattern that emits spaceships "
+ "forever. The glider gun shown here was the first known "
+ "gun, and indeed the first known finite pattern with "
+ "unbounded growth. It was found by Bill Gosper in "
+ "November 1970. Many new guns have since been found."),
+ 36, 9,
+ ".........................*.........."
+ "......................****.........."
+ ".............*.......****..........."
+ "............*.*......*..*.........**"
+ "...........*...**....****.........**"
+ "**.........*...**.....****.........."
+ "**.........*...**........*.........."
+ "............*.*....................."
+ ".............*......................" ),
+ LifePattern(
+ _("Puffer train"),
+ _("A puffer is an object that moves like a spaceship, except "
+ "that it leaves a trail of debris behind. The puffer train "
+ "is one of the best-known puffers. Originally found by "
+ "Bill Gosper, this is a very dirty puffer; the tail does "
+ "not stabilize until generation 5533. It consists of a "
+ "B-heptomino (the middle pattern) escorted by two light "
+ "weight space ships."),
+ 5, 18,
+ "...*."
+ "....*"
+ "*...*"
+ ".****"
+ "....."
+ "....."
+ "....."
+ "*...."
+ ".**.."
+ "..*.."
+ "..*.."
+ ".*..."
+ "....."
+ "....."
+ "...*."
+ "....*"
+ "*...*"
+ ".****" ),
+ LifePattern(
+ _("Max"),
+ _("Max is the fastest-growing known pattern in Conway's Game "
+ "of Life (possibly the fastest possible). It fills space to "
+ "a density of 1/2, conjectured to be the maximum density, "
+ "and does it at a speed of c/2 in each of the 4 directions, "
+ "which has been proven to be the maximum possible speed.\n"
+ "\n"
+ "Population growth is:\n"
+ "[(t+19)^2+463]/4 for t divisible by 4;\n"
+ "[(t+19)^2+487]/4 for t even, not div. by 4;\n"
+ "[(t+18)^2+639]/4 for t odd.\n"
+ "\n"
+ "Original construction, top/bottom stretchers by Hartmut "
+ "Holzwart; Size optimization, left/right stretchers by David "
+ "Bell; Original idea, middle part, left/right stretcher "
+ "connection by Al Hensel.\n"
+ "\n"
+ "This spacefiller by David Bell, September 1993."),
+ 29, 43,
+ ".....*.*....................."
+ "....*..*....................."
+ "...**........................"
+ "..*.........................."
+ ".****........................"
+ "*....*......................."
+ "*..*........................."
+ "*..*........................."
+ ".*.........***...***........."
+ "..****.*..*..*...*..*........"
+ "...*...*.....*...*..........."
+ "....*........*...*..........."
+ "....*.*......*...*..........."
+ "............................."
+ "...***.....***...***........."
+ "...**.......*.....*.........."
+ "...***......*******.........."
+ "...........*.......*........."
+ "....*.*...***********........"
+ "...*..*..*............**....."
+ "...*.....************...*...."
+ "...*...*.............*...*..."
+ "....*...************.....*..."
+ ".....**............*..*..*..."
+ "........***********...*.*...."
+ ".........*.......*..........."
+ "..........*******......***..."
+ "..........*.....*.......**..."
+ ".........***...***.....***..."
+ "............................."
+ "...........*...*......*.*...."
+ "...........*...*........*...."
+ "...........*...*.....*...*..."
+ "........*..*...*..*..*.****.."
+ ".........***...***.........*."
+ ".........................*..*"
+ ".........................*..*"
+ ".......................*....*"
+ "........................****."
+ "..........................*.."
+ "........................**..."
+ ".....................*..*...."
+ ".....................*.*....." )