#Life 1.05 #D Pufferless breeder (Standing breeder) #D A shotgun sends an 8 spaceship salvo eastward every 360 gens. #D Call the spaceships, from top to bottom, A, B, C, D, D', C', B', #D and A'. D and D' are MWSSs; the others are HWSSs. (The shotgun's #D output is approximately glide symmetric.) Every 360 gens, two #D guns and a kickback reaction are used to create a northeastward #D glider in front of A and B. A and B redirect the glider #D southeastward. Then C' and D' duplicate it, producing 2 SEward #D gliders and a block. The second glider escapes, the block is #D deleted by D, and the first glider is turned NEward by A' and B'. #D It is duplicated by C and D, again producing an escaping glider, a #D block that gets deleted by the next D', and another NEward glider. #D The latter interacts with the next A and B in the same way as the #D original glider did, 596 gens later and 118 units farther east. #D #D Thus, in gen t, there are approximately t/360 gliders zigzagging #D east, each producing 2 more gliders every 596 gens. So the #D population is growing by about 5 * 2/596 * t/360 = t/21456 #D cells per generation, and the total population is about t^2/42912. #D The gliders occupy a nonconvex quadrilateral with vertices at #D (approximately) (0,0), (t/4,t/4), (59t/298,0), and (t/4,-t/4). #D Dean Hickerson, dean@ucdmath.ucdavis.edu 10/12/92 #N #P 161 89 .* ** #P 153 86 .* *.* **.* **.** **.* *.* .* #P 142 89 *.* ** .* #P 133 84 ....*.* ...*..* ..** **...* ..** ...*..* ....*.* #P 127 87 ** * #P 140 99 * ** #P 157 110 ** .* #P 146 108 *.* *..* ...** .*...** ...** *..* *.* #P 132 110 ..** .*.* * *..* * .*.* ..** #P 123 112 * ** #P 130 104 ** .** ..* #P 133 99 * * * #P 127 101 * * * #P 121 97 *.** **.* #P 115 89 .** ..* . . ..* *.** * * *..* .** #P 149 77 ** .* #P 133 75 ....* ..**** .*.*.** *..*.*** .*.*.** ..**** ....* #P 125 77 *.* *...* ....* .....* ....* *...* *.* #P 115 75 ** .* .*.* ..** #P 143 54 .* ** #P 132 51 ...* ..** .** *** .** ..** ...* #P 114 49 ....* ..*.* .*.* *..* .*.* ..*.* ....* #P 109 52 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-1 93 * *** ...* ..** #P 1 99 ..*** ..*** .*...* . **...** #P -1 117 ..*** .*...* *.....* *.....* #P 1 127 * ** #P -20 85 ....** **.*..*.** *....*..* ....* ...* #P -12 91 ** .* * ** #P -10 110 * ** #P -23 97 ** * #P -25 105 *.....* *.....* .*...* ..*** #P -23 118 ...* ..*** ..*** . **...** *.....* #P -20 131 .* ** #P -32 100 ** .* #P -34 110 **...** . *.....* . .**.** ...* #P -36 118 ...* ..*.* .*...* .***** **...** .***** ..*** ...* #P -34 134 * ** #P -42 52 ...* .*** * ** #P -47 59 ...* ..*** ..*** . **...** *.....* #P -49 71 ..** ...* *** * #P -43 106 .* .* *.* #P -45 117 * ** #P -47 98 ** .* * ** #P -55 92 ....** **.*..*.** *....*..* ....* ...* #P -58 104 ** * #P -60 114 ...* ..*** .***** **...** .***** .***** ..*..* ..*...* ......* ...**.* .....* #P -58 127 **...** *.....* . .*...* ..*** #P -55 138 .* ** #P -66 104 ** .* #P -69 113 **...** *.*.*.* .***** ..*** ...* #P -71 125 ..*** .**.** .**.** .***** **...** #P -69 138 * ** #P -66 89 .** ** ..* #P -70 99 .** *.* ..* #P -77 91 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-142 86 * ** #P -135 83 ....** ...*** *.** *..* *.** ...*** ....** #P -119 81 * ** .** .*** .** ** * #P -110 79 ..** ..* *.* ** #P -125 84 * .** ** #P -149 74 ** * #P -143 72 ...*.* .*...* .* * .* .*...* ...*.* #P -126 74 ** *..* ....* ....* ....* *..* ** #P -115 77 .* ** #P -132 74 .** *.* ..* #P -124 67 *** ..* .* #P -127 61 *.* .** .* #P -132 63 * ** #P -115 61 **.* *.** #P -109 53 .** *..* * * *.** ..* . . ..* .** #P -152 54 * ** #P -146 51 ....* ..*.* ** ** ** ..*.* ....* #P -129 49 ** .* ...** ...*** ...** .* ** #P -120 47 ..** ..* *.* ** #P -134 53 * .** ** #P -155 -55 ** * #P -146 -57 * ** .** .*** .** ** * #P -129 -55 * *.* .*.* .*..* .*.* *.* * #P -123 -50 ** *.* ..* ..** #P -113 -62 ...* ..** . ...* ..*.* .*..* *..* . ...* ..** #P -118 -62 *.** **.* #P -135 -64 ** * #P -127 -65 * * * #P -125 -69 *** #P -121 -67 * * * #P -152 -75 * ** #P -144 -78 ** ..* ...* ...* ...* ..* ** #P -127 -80 * *.* ...** ...** ...** *.* * #P -118 -77 .* ** #P -143 -87 ** * #P -136 -89 ....* .**** 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