Here is more diagonal c/4 stuff based on the following result.
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#C A diagonal c/4 convoy which converts a sideways glider into a
#C boat at the edge of the convoy. The boat can later be hit by a
#C backwards glider to form a sideways glider. The minimum period
#C for a repeated reaction is 76 generations.
#C David I. Bell, 20 January 2024
x = 85, y = 109
7b3o$7bo$3o6bo$o6bobo$bo4boob4o$3b4ob5oboo$4boo7boobo3$10bobbo$9b5obo$
9bo6bo$10boboo3bo$18bo$15bobo$$16bobbo$16bobbo$17boboobo$17boobbobo$
18bo5bo$18bo$23bo$21bo$$3boo$4boo$3bo33$37bo$36b5o$36bobboo$38boobo$$
41bobo$$34b3o6b3o$29bo4bobb3o4b3o$28boo5boob5ob3o$28bobo3b3o4booboo$
40bobo$30b3o6bobbo$29b3o7bo$31bobob4obbo$33booboo$33b6o27bo$65boo$65bo
b5obo$68bo3b4o$67bo3bo$66b3o$67bob4o$60bo5boo3bobo$59b5oboobob3obb3o$
59bo8b3o5boo$67boobbo$59boboob5obboboo$51booboo4bo5boobboo$51bob3o$51b
obboo3boo7boo3boo$58boo8boo4bo$55bo3boo9bo3b3o$55bo3b3o3boobbo4bobo$
59bo5bo8bo$60boo3bobo9bo$72bobb3o$71b5o$71bobbo$73boo$74bobboo$71bo4b
oo$72boboboo$74boobobbo$75bo4bo$80bo$75bobo4b3o$77boobo$80bo!
By adding a few more spaceships to the convoy the boat can be hit by a backwards glider while also making a new boat.
Code: Select all
#C A diagonal c/4 convoy which converts sideways gliders into boats,
#C and also hits the boats to produce sideways gliders. The mechanism
#C is shown here with two input gliders. If a complete input glider
#C stream is provided then this will produce a complete output stream.
#C This convoy is adjustable and is shown in its most compact form.
#C David I. Bell, 20 January 2024
x = 203, y = 140
104bo10boo$103b5o6boo$103bobboo8bo7boo$105boobo5boo6b3obo$114boo3boboo
$108bobo6boo$113b3obo4bo$110b3o3bo4bo$111bo7bo$111bo6bo$$114bo$$oo94b
oo$boo94boo$o95bo16$125b3o$125bo$118b3o6bo$118bo6bobo$119bo4boob4o$
121b4ob5oboo$122boo7boobo3$128bobbo$127b5obo$127bo6bo$128boboo3bo$136b
o$133bobo$$100boo32bobbo$99boo33bobbo$100bobo32boboobo$100b3o32boobbob
o$100boo34bo5bo$102bobo31bo$141bo$104bobo32bo$106b3o$106bo$105bo$100bo
boobo4bo$99booboobo$99bobo4bo$104boo$104bo3bo$103bo3bo$$103bobbo$102b
oobo$102bo6b3o$101boo6bo$101bo8bo$102bo9boo$113bo3boo$116boo$119boo$
113b6o$113bobboobo$100boo13bo4bo$100bobo10bo6bo$100bo11bo$103bo7boo3bo
$103boobboobobb3o$107bo5bo5boobbo$107bobo3bo4boo5bo$105boboo3bo6bobo3b
4o$104booboo10boob4o$104bobbo11b3o4bobo$106bobo14bo$106bobboo12b5o$
113boobobboobboobbobbo$112boo3bob3o4b4obo$113bobbo3boo4boo$113bobbobb
oo3b3o28bo$113bo9bo30b5o$104b3o14bo4bo27bobboo$104bobb4obo8bo4boo28boo
bo$105b3ob4obo$107b3obbobo6boobo4bo29bobo$121bo5boo$114bo3b3o6bobbo21b
3o6b3o$113boo3bo10bo17bo4bobb3o4b3o$119bo8boo16boo5boob5ob3o$125boo19b
obo3b3o4booboo$124boo32bobo$126bobo19b3o6bobbo$126boo3bo15b3o7bo$126bo
3boo17bobob4obbo$126bo3bobo18booboo$126bo24b6o27bo$130b5o48boo$127boob
oobb3o46bob5obo$135bo50bo3b4o$129bo3boboboo46bo3bo$130bo53b3o$131boboo
50bob4o$178bo5boo3bobo$177b5oboobob3obb3o$177bo8b3o5boo$185boobbo$177b
oboob5obboboo$169booboo4bo5boobboo$169bob3o$169bobboo3boo7boo3boo$176b
oo8boo4bo$173bo3boo9bo3b3o$173bo3b3o3boobbo4bobo$177bo5bo8bo$178boo3bo
bo9bo$190bobb3o$189b5o$189bobbo$191boo$192bobboo$189bo4boo$190boboboo$
192boobobbo$193bo4bo$198bo$193bobo4b3o$195boobo$198bo!
When creating a shifter for a new glider stream, just start with the empty convoy and let the stream enter it. After it is fully populated and the first sideways gliders appear, then you can simply delete the few backward gliders which have appeared.
There is a useful adjustment possible for the convoy. The top spaceship can be moved diagonally to the upper left by a multiple of two cells, while the group of spaceships at the left can be moved leftwards by the same amount. (When there is room, the backwards glider eater spaceships can be replaced with the smaller ones.) If this is done, then the output glider stream path is shifted.
Here are two period 80 rakes to demonstrate the spaceship adjustments and the resulting change in the shifts.
Code: Select all
#C A diagonal c/4 period 80 sideways rake whose gliders are shifted
#C down by 89 rows by an adjustable glider stream shifting convoy.
#C David I. Bell, 20 January 2024
x = 414, y = 318
70boo$69boobboo$71boobo$69b3obboo$66boobboobboo$66bo4bobo$66bo4bobo$
67boobo$67boo$59b3obbobboo$59bo3bo3bo$49boobboo7bo3bo$48booboboo3b3o5b
o$49bobo4boobo7bo$46b5o21bob3o$45boo3boo17boobo4boo$38boo7boobo3bo14bo
bb6o$26boo10bobo3bob3o3boobbo12bo$25boo11bo3bo3boobobbo3bo10boo$boobbo
13boo5bo14boo4bobbobo13boo$oo4bo11boo5boo15boboboo6boboo3boobbobboo$bb
oobobb3o9bo4bobobboo21bo7bo3b5o$4boobbooboboo7boo3boob4o5boo12bobo5bo
3boboo$11bobobo6boo10bo3bobobboo5boboobo4boo3bo$13bo20bo3b3obboo4boobo
bbo3bo5bo21boo$14bobo11bo8bo5b3obbo7boo6boo10bo10bobo$16bo13boo10b4ob
3obo5bo5bobo7b4obo8bo$17bo20bo3bo5boobo5boboo10boboo4bo8bobo$18bo4bob
oo4b3o4b5obbooboo3boo15b4o3boboo7boobo$18boboobbo3bobbo5bo7booboo8b3o
8boo6boboo4bo5bo$21bobbobobboboo4bobbo3bo3bo3b3obbo4bo5boo3bo8boboo4bo
$22boo3bob3obbobo3bobb6oboo5boob3o6boo3b3obobbo$27bo4bo3bobobob3o8bo3b
obb3obo4bobbob5obo4bo$22bo3bo6bob6oboobbo6boo4bo5boboboobo4bo7boboo$
14bo6b4o6bo7bobo4boo4b3o3boo5boo5bo9b4o$13boo5bobboboo4bo7bo13boobboo
bboobo6bo5bo4b3o$13bobo4bob3o9bobooboo15b3o3bo3bo9b5o6boo$17bobbooboo
6boobo4bo17boobboo3bobo8b3o7b3o$17bo6boo7boo3bo23bobo9b3o7b4o$16bo3bo
13bo3bo22boo5bobbo3bobbo6boo$19boobobbo9boo4bo19bo3bo3b3o3bobboboo$15b
3o24bo18bobobo7bo$14bobooboo3bo15b3o$13bo3b5oboo$13bo8boobo19bo$13b6o
4bobbo19bo28bo$14booboo7bo17b3o27boo$15bo10bo47bobo$14boo10bo22bo$15bo
bbo6bo24bo26boo$15bo10bo21b3o26boobb3o6bo$15bobbo62boobo4boo$16bo4boob
oo27bo25bo4bo4bobo$21bo3bo28bo23b3o4bo5bo$21boboo3bo23b3o23bo5bo7bo$
26bo38boo12bobobboo3boboo$28bo28bo6boo24bo$25bo32bo7bo9b3o$21bo3boboo
27b3o9boo6booboo10boobo$20boo3bo42boobboobbob3o3b3o3boo3bo$20bobobboo
34bo9boobobboo5bobb5o4bo$25boo35bo9bo4boo6booboo3boo$24boo34b3o6boo3bo
9b3o$25boo42boo$24boo28bo10bo3bo25bo$22boobbo26boo11bo3booboobb3o4boob
oo5boo$22b3o28bobo8b3o5bobobbobb3obboo7bobo$22bobboo31bo20bo10bo$56bob
oo10bo7boo5bo3b5o$20boo33boo3b3o15boobboo4boboo$20booboo27boo6boobbo3b
o3bo5boo3bo5booboo$21bo29boo5bo9bo4bo5bo3bo3b3o7b3o$22boo22boo5bobobo
bbo4bo3bo3bo7b3ob3obo7bo$41boobboo8booboboo3bo5boo6b3obbo6boboo5b5o$
41bobo3bo5bo4bobbo18boo9boboo5boob3o$41bo10bo3bo3boo3bobo17boo8b3obboo
3bo$42boo4b3obo3bobboo6bo16bo8boo6bo3b4o$42bobbo4boobbo4bobboo21boo9b
oo3bobbobboo$42bo7boobo47bobo3boo$44boboboo3bo3b3o45bob3o$45boob3oboo
3b4o44bo$49bobo5bobo45b4o$44boo5bobo5bobbo$47boobboo6bo46b3o$42boo6b6o
3bo3bo$42boobobb3o3bobobbo$43b4obboboo3bo5boboo$44boo8bo5b3o$45bo6boo
8bo13boo$49boo8boobbo11boboo$43bobo3bobo6b6o10bobbo$42boo5boboo5bo5bo
8booboo$42bobo9boo6bobo9bobo$38boo4bo5boo3bo7boo10bo$38bobo3boo4boo$
38bo6boo5b3o10bo$41bo7boobobo4boobbooboo12boo$41boo7boboo4boo3b5o11bo
3bo$50bobo7bobboboo11bo5bo$49boob3o7booboo10bo3bobbo$46boo5boo8bo14bo
4bo$46boo3bob3o7bo15boo3bo$45bobobobo11boo15bo3bo$44boobboo15bo15boob
oo$43b3obb3oboo4boo22bobo$43bo5boob3obboo4booboo13bobbo$42booboo5bo6bo
bbo18boboo12boo$43bobo34booboo12boo$44bobooboob3o5boobbo16bobbo$44bobb
4ob3o7bo19boo10boo$44boboo45bobbo37b3o$44bobobo4boo38bobo38bo$46bo5boo
40bo40bo$40b3obboo6bo80b3o$40bo93b3oboo$41bo5b5o52boo$43b6o54bobboo4b
3o$44b4o56b4obbooboo22bo$44boobb5o52b7o3bo14boobobb5o$30boo12b3o4b3o
53bob5obo13boo3boboboobo$29boo13boo7b3o51b3o3boo15bobbo5bobo$31bo11bo
7bo3bo74bobbo$33boo9bo3boo80bo$32bo12bobboobbo80bo$42b4oboobboo70boo5b
obbo5b3o$31bobbo7bo5bobo71boo3boboobboo4bo$23boo5boobbobo4bobbo3bo46bo
28bob4obb3o6bo$22boo5bo5bobobboboo5boboo40booboo26boobobb4obboo$24bo4b
obo4b3ob4o10bo42bo26bo3bobbo4boobo$26boobbo9boo8bo3bo38bobo28bo3boboo
bbo3bo$26boo10b3o9boo31boo9boboobo24bobob3ob3o8boobbo$39boo10bobobo26b
oo15bo9b3obboo9bobbobo11boo4bo$49bobo3bo27bobo12bo6boobb3obboo8boo3bo
3bobbo6bobo$48boo5bobboo23b3o9booboo4bo3boo15bo7bobb5obb4oboo$48bobbo
bbo3boo23boo9b5o5b4o17bo4bo7bo3boo5boobo$45b3o4boo4bo26bobo7bo10boo22b
oo6boobbo4boo$45bo13bo36b3o31boo9boo3b4obboo$46bo10boo28bobo7boo47bo6b
o$51boo4b3o29b3o$50boo6boo29bo59b3oboo$52bobbo32bo$54b3o26boboobo4bo
58bo$54boo26booboobo63bo$46boo5boo27bobo4bo62bo$45boo6boo32boo$47bobb
ooboo32bo3bo$49boo35bo3bo$49boo$86bobbo$85boobo21bo3bo$85bo28boo$84boo
12boo14bobo17boo$84bo12boo9boo5boo17boo$85bo13bo7boboobboo$101boo4bob
3obo96bo10boo$100bo11bo96b5o6boo$209bobboo8bo7boo$99bobbo10b3o95boobo
5boo6b3obo$96boobo15bo104boo3boboo$95boo4bo10bobbo98bobo6boo$97bobobbo
10boo104b3obo4bo$102bo113b3o3bo4bo$99bobbo114bo7bo$100bobo114bo6bo$
100bobo$101boo117bo$101bo$138boo38boo38boo$139boo38boo38boo$138bo39bo
39bo3$143b3o7boo$143bo5boob3o$146b3o3b4o$143bo3b3o3boo$144bobo3bo$145b
oboo$147bobb3o$137b3o3boob3o5boo$137bobb4o3bobbo3boo$138boob3o$137b3o
4b3obb4o$130bo14bo3bobo$129b6o12bo3boo$129bo7boo12boo$130bo6bo8boo$
132bobobbo8boo5bo$133bo4bo5boboo4b3o$138boo3b3o6bobo$138boo3bobo8boo$
153boo$149b3o$149bobbo$151bo$150boo3boo$150boo3bobo$150b3obbo$155bo$
152boboob3o$154boo5bo$153b3o6bo$159bobo$155boboo$218bobo37bobo$218boo
39boo$219bo39bo3$255b3o$255bo$248b3o6bo$248bo6bobo$249bo4boob4o$251b4o
b5oboo$252boo7boobo3$258bobbo$257b5obo$257bo6bo$258boboo3bo$266bo$263b
obo$$206boo56bobbo$205boo57bobbo$206bobo56boboobo$206b3o56boobbobo$
206boo58bo5bo$208bobo55bo$271bo$210bobo56bo$212b3o$212bo12boo38boo$
211bo14boo38boo$206boboobo4bo8bo39bo$205booboobo$205bobo4bo73bo$210boo
38bo35bo$210bo3bo34boo35bo$209bo3bo35bobo$$209bobbo39boo$208boobo13bo
26boobb3o28bob3o6bobo$208bo17boo28boobo26bobboboo6boo$207boo16boo27bo
4bo26bo4boo6bo$207bo45b3o4bo21b3obbobbo$208bo44bo5bo21bo4bo3bo$240boo
12bobobboo20bo3b5o$239boo40bo3bo$241bo9b3o26boo5boo16boo$243boo6booboo
25bo6bo15bobo$243boobboobbob3o27bo3bo17bo$246boobobboo30boo$247bo4boo
78bo39bo39bo$244boo3bo82boo38boo38boo$227b3o14boo85bobo37bobo37bobo$
227bo16bo$228bo16booboo$230boo15bobo50bo$231bo3boo61bo3bo$234boo62bo3b
o$237boo58bo$231b6o60boo3bo$231bobboobo64bo$218boo13bo4bo$218bobo10bo
6bo58bo$218bo11bo65b4o$221bo7boo3bo50bo9boob3oboo$221boobboobobb3o50b
5o7boob3oboo$225bo5bo52bobboo8boobboo$225bobo3bo54boobo8b5o$223boboo3b
o68b4o3boo$222booboo62bobo10boobobo$222bobbo76bo4bo$224bobo55b3o6b3o9b
obbo$224bobboo48bo4bobb3o4b3o$276boo5boob5ob3o9boo$276bobo3b3o4booboo$
288bobo$278b3o6bobbo$277b3o7bo$279bobob4obbo$281booboo$281b6o27bo$313b
oo$313bob5obo$316bo3b4o$315bo3bo$314b3o$315bob4o$308bo5boo3bobo$307b5o
boobob3obb3o$307bo8b3o5boo$315boobbo$307boboob5obboboo$299booboo4bo5b
oobboo$299bob3o$299bobboo3boo7boo3boo$306boo8boo4bo$303bo3boo9bo3b3o$
303bo3b3o3boobbo4bobo$307bo5bo8bo$308boo3bobo9bo$320bobb3o$319b5o$319b
obbo$321boo$322bobboo$319bo4boo$320boboboo$322boobobbo$323bo4bo$328bo$
323bobo4b3o$325boobo$328bo!
Code: Select all
#C A diagonal c/4 period 80 sideways rake whose gliders are shifted
#C down by 128 rows by an adjustable glider stream shifting convoy.
#C David I. Bell, 20 January 2024
x = 386, y = 358
70boo$69boobboo$71boobo$69b3obboo$66boobboobboo$66bo4bobo$66bo4bobo$
67boobo$67boo$59b3obbobboo$59bo3bo3bo$49boobboo7bo3bo$48booboboo3b3o5b
o$49bobo4boobo7bo$46b5o21bob3o$45boo3boo17boobo4boo$38boo7boobo3bo14bo
bb6o$26boo10bobo3bob3o3boobbo12bo$25boo11bo3bo3boobobbo3bo10boo$boobbo
13boo5bo14boo4bobbobo13boo$oo4bo11boo5boo15boboboo6boboo3boobbobboo$bb
oobobb3o9bo4bobobboo21bo7bo3b5o$4boobbooboboo7boo3boob4o5boo12bobo5bo
3boboo$11bobobo6boo10bo3bobobboo5boboobo4boo3bo$13bo20bo3b3obboo4boobo
bbo3bo5bo21boo$14bobo11bo8bo5b3obbo7boo6boo10bo10bobo$16bo13boo10b4ob
3obo5bo5bobo7b4obo8bo$17bo20bo3bo5boobo5boboo10boboo4bo8bobo$18bo4bob
oo4b3o4b5obbooboo3boo15b4o3boboo7boobo$18boboobbo3bobbo5bo7booboo8b3o
8boo6boboo4bo5bo$21bobbobobboboo4bobbo3bo3bo3b3obbo4bo5boo3bo8boboo4bo
$22boo3bob3obbobo3bobb6oboo5boob3o6boo3b3obobbo$27bo4bo3bobobob3o8bo3b
obb3obo4bobbob5obo4bo$22bo3bo6bob6oboobbo6boo4bo5boboboobo4bo7boboo$
14bo6b4o6bo7bobo4boo4b3o3boo5boo5bo9b4o$13boo5bobboboo4bo7bo13boobboo
bboobo6bo5bo4b3o$13bobo4bob3o9bobooboo15b3o3bo3bo9b5o6boo$17bobbooboo
6boobo4bo17boobboo3bobo8b3o7b3o$17bo6boo7boo3bo23bobo9b3o7b4o$16bo3bo
13bo3bo22boo5bobbo3bobbo6boo$19boobobbo9boo4bo19bo3bo3b3o3bobboboo$15b
3o24bo18bobobo7bo$14bobooboo3bo15b3o$13bo3b5oboo$13bo8boobo19bo$13b6o
4bobbo19bo28bo$14booboo7bo17b3o27boo$15bo10bo47bobo$14boo10bo22bo$15bo
bbo6bo24bo26boo$15bo10bo21b3o26boobb3o6bo$15bobbo62boobo4boo$16bo4boob
oo27bo25bo4bo4bobo$21bo3bo28bo23b3o4bo5bo$21boboo3bo23b3o23bo5bo7bo$
26bo38boo12bobobboo3boboo$28bo28bo6boo24bo$25bo32bo7bo9b3o$21bo3boboo
27b3o9boo6booboo10boobo$20boo3bo42boobboobbob3o3b3o3boo3bo$20bobobboo
34bo9boobobboo5bobb5o4bo$25boo35bo9bo4boo6booboo3boo$24boo34b3o6boo3bo
9b3o$25boo42boo$24boo28bo10bo3bo25bo$22boobbo26boo11bo3booboobb3o4boob
oo5boo$22b3o28bobo8b3o5bobobbobb3obboo7bobo$22bobboo31bo20bo10bo$56bob
oo10bo7boo5bo3b5o$20boo33boo3b3o7bo7boobboo4boboo$20booboo27boo6boobbo
3b3o7boo3bo5booboo$21bo29boo5bo20bo3bo3b3o7b3o$22boo22boo5bobobobbo4bo
3bo11b3ob3obo7bo$41boobboo8booboboo3boboobo3boo3b3obbo6boboo5b5o$41bob
o3bo5bo4bobbo3bobobbo3boo4boo9boboo5boob3o$41bo10bo3bo3boo6bo16boo8b3o
bboo3bo$42boo4b3obo3bobboo8bo14bo8boo6bo3b4o$42bobbo4boobbo4bobboo5b3o
13boo9boo3bobbobboo$42bo7boobo14bobbo29bobo3boo$44boboboo3bo3b3o8b3o
34bob3o$45boob3oboo3b4o44bo$49bobo5bobo45b4o$44boo5bobo5bobbo8bo$47boo
bboo6bo10bobo33b3o$42boo6b6o3bo3bo6bobo$42boobobb3o3bobobbo11bo$43b4o
bboboo3bo5boboo$44boo8bo5b3o$45bo6boo8bo$49boo8boobbo$43bobo3bobo6b6o$
42boo5boboo5bo5bo$42bobo9boo6bobo18boo$38boo4bo5boo3bo7boo18boo$38bobo
3boo4boo$38bo6boo5b3o10bo14boo$41bo7boobobo4boobbooboo11bobbo$41boo7bo
boo4boo3b5o11bobo$50bobo7bobboboo13bo$49boob3o7booboo$46boo5boo8bo$46b
oo3bob3o7bo21boo4bo$45bobobobo11boo20bob5o$44boobboo15bo22bo4bo$43b3o
bb3oboo4boo27bobbo$43bo5boob3obboo4booboo23b3o$42booboo5bo6bobbo22b6o
5b3o$43bobo39bobobobboboobbo$44bobooboob3o5boobbo20b3o7bo3bo$44bobb4ob
3o7bo24boo9bo$44boboo46bobbobbo33b3o$44bobobo4boo39bobbob3o32bo$46bo5b
oo42bobb3o33bo$40b3obboo6bo39bo4bo35b3o$40bo52b4o37b3oboo$41bo5b5o38b
ooboboo10b4o$43b6o42boo18boo$44b4o44bo7boo9bobo23bo$44boobb5o47boo4bo
7boo14boobobb5o$30boo12b3o4b3o52boo7bobbo10boo3boboboobo$29boo13boo7b
3o52boo5b4o11bobbo5bobo$31bo11bo7bo3bo57booboobo10bobbo$33boo9bo3boo
66b3o11bo$32bo12bobboobbo53boobboo3booboo13bo$42b4oboobboo53bo3boo4bob
o4boo5bobbo5b3o$31bobbo7bo5bobo55boo9bo4boo3boboobboo4bo$23boo5boobbob
o4bobbo3bo75bob4obb3o6bo$22boo5bo5bobobboboo5boboo71boobobb4obboo$24bo
4bobo4b3ob4o10bo69bo3bobbo4boobo$26boobbo9boo8bo3bo69bo3boboobbo3bo$
26boo10b3o9boo31boo39bobob3ob3o8boobbo$39boo10bobobo26boo41bobbobo11b
oo4bo$49bobo3bo27bobo38boo3bo3bobbo6bobo$48boo5bobboo23b3o39bo7bobb5o
bb4oboo$48bobbobbo3boo23boo40bo4bo7bo3boo5boobo$45b3o4boo4bo26bobo42b
oo6boobbo4boo$45bo13bo70boo9boo3b4obboo$46bo10boo28bobo30boo24bo6bo$
51boo4b3o29b3o28boo$50boo6boo29bo8b3o48b3oboo$52bobbo32bo8booboboo$54b
3o26boboobo4bo3bo54bo$54boo26booboobo16boo45bo$46boo5boo27bobo4bo11bo
3boo45bo$45boo6boo32boo12bo4bo$47bobbooboo32bo3bo10b3o$49boo35bo3bo13b
o$49boo$86bobbo$85boobo$85bo$84boo12boo$84bo12boo$85bo13bo$101boo91bo
10boo$100bo15boboo73b5o6boo$115bo4bo72bobboo8bo7boo$99bobbo12bobobo20b
oo53boobo5boo6b3obo$96boobo16boo22boo62boo3boboo$95boo4bo16b3o77bobo6b
oo$97bobobbo100b3obo4bo$102bo16bo80b3o3bo4bo$99bobbo23bo74bo7bo$100bob
o15bo7bo74bo6bo$100bobo13booboo6bo$101boo16boobbobbo77bo$101bo$124boo
24boo38boo$151boo38boo$150bo39bo3$143b3o$143bo5boobo$146b3o3bo$143bo3b
3o3bo$144bobo3bo$145boboo$147bobb3o$137b3o3boob3o5boo$137bobb4o3bobbo
3boo$138boob3o$137b3o4b3obb4o$130bo14bo3bobo$129b6o12bo3boo$129bo7boo
12boo$130bo6bo8boo$132bobobbo8boo5bo$133bo4bo5boboo4b3o$138boo3b3o6bob
o$138boo3bobo8boo$153boo$149b3o50bobo25bobo$149bobbo49boo27boo$151bo
51bo27bo$150boo3boo$150boo3bobo$150b3obbo$155bo$152boboob3o$154boo5bo$
153b3o6bo$159bobo$155boboo29$202bobo65bobo$202boo67boo$203bo67bo15$
279b3o$279bo$272b3o6bo$272bo6bobo$273bo4boob4o$275b4ob5oboo$276boo7boo
bo3$282bobbo$281b5obo$281bo6bo$282boboo3bo$290bo$287bobo$$190boo96bobb
o$189boo97bobbo$190bobo96boboobo$190b3o96boobbobo$190boo98bo5bo$192bob
o95bo$295bo$194bobo5bobo88bo16bobo$196b3o3boo107boo$196bo6bo33boo38boo
32bo$195bo42boo38boo$190boboobo4bo36bo39bo$189booboobo108boo$189bobo4b
o106bobo$194boo38bo68boo$194bo3bo34boo$193bo3bo35bobo$$193bobbo39boo
64bo$192boobo40boobb3o58b3o$192bo47boobo56boobo$191boo45bo4bo56b3o$
191bo45b3o4bo55boo22bo$192bo44bo5bo57b5o17b3o$224boo12bobobboo56boobo
17b5o$223boo78bo17bobo3bo$225bo9b3o83boo4boo$227boo6booboo88boo$227boo
bboobbob3o87boo$230boobobboo83bo5bo$231bo4boo82b3o21bo39bo$228boo3bo
85booboo20boo38boo$211b3o14boo88bobobboo18bobo37bobo$211bo16bo88bo8boo
$212bo16booboo84boobobboboo$214boo15bobo85bob3o$215bo3boo100bo$218boo
105bo$221boo101boo$215b6o102booboo$215bobboobo102b5o$202boo13bo4bo102b
o$202bobo10bo6bo103b3o$202bo11bo$205bo7boo3bo90bo$205boobboobobb3o90b
5o15bo$209bo5bo92bobboo16bo$209bobo3bo94boobo14b3o$207boboo3bo113bobo$
206booboo102bobo14bo$206bobbo116booboo$208bobo95b3o6b3o8boo$208bobboo
88bo4bobb3o4b3o$300boo5boob5ob3o$300bobo3b3o4booboo$312bobo$302b3o6bo
bbo$301b3o7bo$303bobob4obbo32boo$305booboo36boo$305b6o27bo$337boo$337b
ob5obo$340bo3b4o$339bo3bo$338b3o$339bob4o$332bo5boo3bobo$331b5oboobob
3obb3o$331bo8b3o5boo$339boobbo$331boboob5obboboo$323booboo4bo5boobboo$
323bob3o$323bobboo3boo7boo3boo$330boo8boo4bo$327bo3boo9bo3b3o$327bo3b
3o3boobbo4bobo$331bo5bo8bo$332boo3bobo9bo$344bobb3o$343b5o$343bobbo$
345boo$346bobboo$343bo4boo$344boboboo$346boobobbo$347bo4bo$352bo$347bo
bo4b3o$349boobo$352bo!
Not all periods work with all shifts. There is a possible reaction that can occur before the boat is fully formed. For example, this is true for the period 80 rake so that I couldn't show the closest packing of the convoy with its smallest shift.
The period 116 rake works fine with the smallest shift.
Code: Select all
#C A diagonal c/4 period 116 sideways rake whose gliders are shifted
#C down by 84 rows. This is the minimum shift possible using this
#C adjustable glider stream shifting convoy.
#C David I. Bell, 20 January 2024
x = 367, y = 258
78bo$77boo$77bobo$$80boo$77bobboo$76boo$76boboo$79boo$78bo$75b6o$73boo
bobo$72bo4bo$71bo4bobboo$59boo10bobbo$58boo10bo4bo$60bo5boobboobo$62b
ooboo3bobo$61bo5bob3o$67boobobbo15boo$42boo7b3obbobo3bobbobbobobbo14b
oo$41boo8bo3bo4bo3boo24bo$27b3o13bobboo5bobbo3bo3bobo25bo$27bo9bo7bobo
bbobbobbo3bo30bobo$28bo6bobbo6bobbobo6bo32boo$30boobboo3bo4boobobobboo
boobbobobb3o23boo$31bo7booboo3bob3obb4o6bo25b3o$35bo6bobobo3bo4boo8bo
9boo9b3oboo$31boo3bo3b5obo3bo4bo14bo3boo3bo5bobbo$30boboboo4b3o3bo5bob
oo13boo3boboboo4bo$30bobobboboob3o4bo4bo3booboboo5booboboo9bo$29bo4boo
7bobboo7bobo3boo4boo3b3o9boo$29boo16bo12boob4o12bo$29boo9boo10bo11boob
o4b3o3boboboo$35boobb4o8boo11boo6bo4boo4boo$35bobobobo9bobo11b3o5bob3o
bbobboo5bo$38boboo3boo35bo6boo$34b3obboo4bobo3bobboo10bo7bo9bobobbobo$
35bo4bo4bo3bobo14bo8bobo7booboo$37boo9boo5bobo27bo4bo$35b5o9bo9bob3o$
35bobo15bo3bo3b3o$36bobbo7b3o3bo5bo$38boo4boo3bo11bo$36booboo3bobbobob
oo6bobo$39boo3bobo11boo5boo$35bobobo11bo8bo4bobo$34b3obbo11bo8b3obbo$
34bo4bobbo6bo14boo$42bo6bobo7b5o$39boo7bobbo9b3o$39boo3bo4boobo7bobo$
39bo4bobboo12bo$40booboobobo$42boobooboo$45boobo17boo$47boboobo13bobo$
47boobobbo6boo4bo$32bo6b3o3bobbo3bo7bobo4bobo$31boo6bo4b3obboo9bo6b3o$
31bobo6bo3bo5bo12bo$36bo7boo4boo11boobobbo$34boboo6b8o14b4o$33boo3b3o
4b5o8boo8bobbo$30boo6boobbo15bobbo5bob3o$29boo5bo12bo8bo3b4ob3o$24boo
5bobobobbo4bo4bobo9bo6bo$19boobboo8booboboo3bo17b5o3b3o$19bobo3bo5bo4b
obbo7bo14boobobo$19bo10bo3bo3boo4bobbo8boo8bo$20boo4b3obo3bobboo8boboo
7bo$20bobbo4boobbo4bobboo5bobbo5b3o$20bo7boobo11b3ob4o6boo$22boboboo3b
o3b3o11bo7bobo$23boob3oboo3b4o18bobo29boo$27bobo5bobo20bo29boo3bo$22b
oo5bobo5bobbo9bobbo36boboo$25boobboo6bo11bo42b3o$20boo6b6o3bo3bo8boboo
b3o34bo$20boobobb3o3bobobbo17bo38b3o$21b4obboboo3bo5boboo10booboo28boo
bo4boo$22boo8bo5b3o13bobobobo26boboo3bobo$23bo6boo8bo13bo3boboo4bo14b
oo4boboo3b3o$27boo8boobbo12b3o3boo3bobo12boo6bo5b3o$21bobo3bobo6b6o13b
ooboo4bobbo13bobo4boo4bobo$20boo5boboo5bo5bo14bo7boo14b3o4boobboo$20bo
bo9boo6bobo38boo6bobo$16boo4bo5boo3bo7boo40bobo3boo3bo$16bobo3boo4boo
59b4o$16bo6boo5b3o10bo41bobo$19bo7boobobo4boobbooboo41b4o$19boo7boboo
4boo3b5o41b4o$28bobo7bobboboo43boo$27boob3o7booboo$24boo5boo8bo71boo$
24boo3bob3o7bo38boo30boobo$23bobobobo11boo36bobbo30bo$22boobboo15bo36b
obo30bobbo$21b3obb3oboo4boo43bo31bo3bo$21bo5boob3obboo4booboo67bobbo$
20booboo5bo6bobbo$21bobo63b3oboo$22bobooboob3o5boobbo42bo3b4o15boobobb
3o$22bobb4ob3o7bo44bo22boboobbobb3o$22boboo65boo15boboo6boo$22bobobo4b
oo48boo3b7o16bo$24bo5boo49boobobob3o18boo$18b3obboo6bo51b3o23boo$18bo
82boobo3b3o7boo$19bo5b5o49boo20bo3bobbobbo5boo$21b6o52boo20bo4bo4boo5b
oo$22b4o48bo28bobobbobbo3b3o$22boobb5o42b5o15bo9boob4o3bob3o$8boo12b3o
4b3o41bobboo13booboo7boobobo$7boo13boo7b3o41boobo23bobo6boo8boo$9bo11b
o7bo3bo56bobo9bobbobobobo9bobb3o$11boo9bo3boo50bobo9bo3bo12bo3b4o6bob
4o$10bo12bobboobbo59boobbo7boo3bo3boboobboo3bo3bobo$20b4oboobboo49b3o
8b3o10bo11boobbo9bo66bo10boo$9bobbo7bo5bobo52b3o8bo15boo7b4o7b3o65b5o
6boo$boo5boobbobo4bobbo3bo51b6o24boo9bo4b7obo63bobboo8bo7boo$oo5bo5bob
obboboo5boboo93bo73boobo5boo6b3obo$bbo4bobo4b3ob4o10bo48bo43bobbo3bo
74boo3boboo$4boobbo9boo8bo3bo48bo46bo3bo68bobo6boo$4boo10b3o9boo51bo
46bobbo74b3obo4bo$17boo10bobobo169b3o3bo4bo$27bobo3bo41b3o3boo46bobo
72bo7bo$26boo5bobboo37bo54bo73bo6bo$26bobbobbo3boo38bobboo$23b3o4boo4b
o42booboo123bo$23bo13bo36bo4bo$24bo10boo36b4oboo59boo56boo$29boo4b3o
35bo66boo56boo$28boo6boo36boo3bo59bo57bo$30bobbo39b6o$32b3o29boo6boo$
32boo30bobo3boobbo$24boo5boo31bo5b3o$23boo6boo34bo$25bobbooboo34boo18b
o$27boo57b5o$27boo57bobboo$88boobo$$91bobo$$84b3o6b3o$79bo4bobb3o4b3o$
78boo5boob5ob3o$78bobo3b3o4booboo122b3o$90bobo125bo$80b3o6bobbo118b3o
6bo$79b3o7bo121bo6bobo$81bobob4obbo120bo4boob4o$83booboo126b4ob5oboo$
83b6o126boo7boobo3$221bobbo$220b5obo$220bo6bo$221boboo3bo$229bo$226bob
o$$193boo32bobbo$192boo33bobbo$193bobo32boboobo$193b3o32boobbobo$193b
oo34bo5bo$195bobo31bo$234bo$197bobo32bo$199b3o$199bo6boo$198bo8boo$
193boboobo4bobbo$192booboobo48bo$192bobo4bo6bo39b3o6bobo$197boo8boo37b
3o7boo$197bo3bo4boo37booboo6bo$196bo3bo46b3o$245bobboo$196bobbo46bo$
195boobo47bobo$195bo6b3o43boo$194boo6bo$194bo8bo39b3o$195bo9boo36bobbo
$206bo3boo34b3o$209boo33bo3bo$212boo30booboo$206b6o$206bobboobo$193boo
13bo4bo$193bobo10bo6bo$193bo11bo$196bo7boo3bo$196boobboobobb3o66boo$
200bo5bo5boobbo57bobo$200bobo3bo4boo5bo56bo$198boboo3bo6bobo3b4o$197b
ooboo10boob4o$197bobbo11b3o4bobo$199bobo14bo$199bobboo12b5o$206boobobb
oobboobbobbo$205boo3bob3o4b4obo$206bobbo3boo4boo$206bobbobboo3b3o28bo$
206bo9bo30b5o$197b3o14bo4bo27bobboo$197bobb4obo8bo4boo28boobo$198b3ob
4obo$200b3obbobo6boobo4bo29bobo$214bo5boo52boo31bo57bo$207bo3b3o6bobbo
21b3o6b3o16bobbo30boo56boo$206boo3bo10bo17bo4bobb3o4b3o14bo3bo29bobo
55bobo$212bo8boo16boo5boob5ob3o14bo3bo$218boo19bobo3b3o4booboo12boobo
bbo$217boo32bobo15boobbo$219bobo19b3o6bobbo$219boo3bo15b3o7bo$219bo3b
oo17bobob4obbo$219bo3bobo18booboo$219bo24b6o27bo$223b5o48boo$220booboo
bb3o46bob5obo$228bo50bo3b4o$222bo3boboboo46bo3bo$223bo53b3o$224boboo
50bob4o$271bo5boo3bobo$270b5oboobob3obb3o$270bo8b3o5boo$278boobbo$270b
oboob5obboboo$262booboo4bo5boobboo$262bob3o$262bobboo3boo7boo3boo$269b
oo8boo4bo$266bo3boo9bo3b3o$266bo3b3o3boobbo4bobo$270bo5bo8bo$271boo3bo
bo9bo$283bobb3o$282b5o$282bobbo$284boo$285bobboo$282bo4boo$283boboboo$
285boobobbo$286bo4bo$291bo$286bobo4b3o$288boobo$291bo!
BCNU,
-dbell