#CPrime number sieve.
#CN is prime if a glider is between the long boats at gen N*60.
#CBy Jason Summers, 14 Jan 09
x = 431, y = 259, rule = B3/S23
39bo6bo$38bobo4bobo$38bobo4bobo$39bo6bo$38bobo4bobo$38bobbobbobbo$38bo
bbobbobbo$$38bob6obo$40bo4bo$37b3o6b3o$37bo10bo$$35b3o10b3o$$37bo10bo$
37boo8boo$37bobo6bobo$37bobo6bobo$38boo6boo$38boo6boo$41b4o$39bo6bo$
37bob8obo$37boboo4boobo$37bobo6bobo$$37bobo6bobo$36booboo4booboo$36bo
3bo4bo3bo133boo$181booboo13boo$181b4o13b4o$182boo14booboo$200boo$$353b
obbo$181bo4boo169bo$172bo7b3o3boo9boo154bo3bo$173boo4booboo12bobbo154b
4o13b4o$172boo4b3ob3o11bobboo169bo3bo$178b3oboo11bobboo150boo22bo$180b
obo12b4o150bo20bobbo$167bo181bo$159boo7boo178boo$156b3oboo5boo30boo
164boo3boo$156b5o29b4o4b4o161bo6bobo37b4o$157b3o22bobbo3bo3bo4booboo
141bo17bobbo6bo36bo3bo12bobbo$162bo23bo6bo6boo140bobo16boo7b3o40bo16bo
$163boo4boo11bo3bobbobbo137bo12boo17boo45bobbo13bo3bo$162boo7bo11b4o
141bo3bo94b4o$166bo7boobb3o152bo72b3o$165bo8boobb3o147bo4bo5bo$157bo8b
o7boobb3o148b5o3bobo24boo5b4o30bobbo14boo$158boo11bo11b4o151boo16boo4b
ooboo3bo3bo30bobo18bo$157boo10boo11bo3bo168b4o3b4o8bo25bo20boo4boo$
186bo156bo11booboo3boo5bobbo27bo18boo6bo$182bobbo148bo6boobo3bobbo5boo
40b3o17boo7bo$43b3o130boo154bobo4b5o4bo3bo67bo3bobbo$43bobbo30b3o23b4o
67booboo13boo38bobbo97boo4bobbo4bo4boo71bo$43bo33bo24bo3bo67b4o13b4o
41bo102b5o4bo3bo42bo$43bo3bo30bo19bo7bo68boo14booboo36bo3bo104boobo3bo
bbo5boo37bo22boo5bobbo$43bo49b7obbobbo52b4o31boo38b4o13b4o89bo11booboo
34b3o21b4o8bo$44bobo45bobb3oboo56b6o86bo3bo101b4o59booboo3bo3bo$77bo5b
oo8b7obbobbo51b4oboo3bo21bo39boo22bo94boo6boo62boo5b4o$76bobbobboo14bo
7bo54boo5boo17bo28b6o6bo20bobbo94b4o39bo$77bobobboo5boo11bo3bo6boo5b4o
43boo14bo3bobboo23bo5bo6bo118booboo39bo18b4o$78bo8bobo13b4o4booboo3bo
3bo55bobb3obo5bo28bo5boo120boo15boo21b3o17bo3bo12bobbo$87bo23b4o8bo18b
o35bob5obbobobboo21bo4bo23boo3boo113booboo44bo16bo$89bo22boo5bobbo20b
oo17bo14booboo5bo3boo24boo23bo6bobo25boo85b4o26boo13bobbo13bo3bo$37boo
49bo53boo19boo13bobbo7b3o31bo17bobbo6bo24b4o54boo29boo18bo6bo4bo29b4o$
37bo80bo43boo52bo4bobo16boo7b3o24booboo49b4oboo49bo11bo$27bo7bobo75bo
3bobbo58boo34bobo4boo17boo35boo15boo22bo10b6o17boo29b3o5bo5bo$25bobo7b
oo55b3o17boo7bo70boo20bobbo75booboo19bobo11b4o3bobo6b3o3boo9bo28b6o9b
3o3boo$15boo6boo69bo18boo6bo35bo25b4o4b4o14boobboo78b4o21boo19boo6b3o
14boo35bo5bo3bobboo9boo$14bo3bo4boo68bo20boo4boo34bobo17boo4bo3bo4boob
oo11b4obboobbo45boo29boo43bo6bo3bo12boboo13bo21bo3bo5bo11bobboo$13bo5b
o3boo73bobo18bo36boboo14booboo7bo6boo11bo3boboo18bobbo7boo5b4o5b4oboo
80b4o13bobo15bo18b3o9bo10b3obbo$3boo8bo3boboo4bobo8boo48b6o6bobbo14boo
40boobb3o5bo3b4o4bobbo19bobbo8bo18bo4booboo3bo3bo5b6o3bobo13bo3bo58b3o
13boo14b3o24bo5bo10bo4bo$3boo8bo5bo7bo8boo47bo5bo70b3o3boobo3boo28bo3b
ooboobbo3bo11bo3bo4b4o8bo6b4o5boo13boo5b3o39bobo72boboo11b5o$14bo3bo
72bo7b3o56boobo6bo3bo32bobboobobboobbobbo11b4o5boo5bobbo16bo9boo9bob3o
39boo59boo27boo$15boo20bo47bo4bo29b4o35bobb3o3boobo3boo33boo5bo6boobb
3o47bo6bo8boo38bo20bobbo16bo20boo$36bobo48boo13bobbo13bo3bo38b3o5bo3b
4o30b3o6bo6boobb3o46bo3bo3b8obo32bo20boo9bo6boo8bo18b3o21boo5bobbo$27b
oo6bobbo8bo58bo16bo50booboo29bo4boobbo6boobb3o32bobo12bo3bo7b4o33boo
18b4o4bo3bo4booboo5b3o10b5o3bo22b4o8bo$27boo5bobbo8b3o53bo3bo12bobbo
53boo30bo3bobbobbobbo11b4o27boo16bo8bo36boo7bo9booboo4b4o4b4o18b10o14b
4o4booboo3bo3bo$45boobo54b4o105bobbo4bo11bo3bo27bo63b3o6bo11boo14boo
18bo4bo4bo3bo9bo3bo6boo5b4o$34bobbo7b3o48boo115boo21bo47bobbo36boobboo
3bobboo4bobo25bo20boobo5boo11bo$36boo7b3o49bo134bobbo41boo9bo6boo28boo
boo3bo7bobboo25bo19boo4b3o5boobbobbo$21boo22b3o49bobo95bo62bo17b4o4bo
3bo4booboo6bo21b3o4bobboo4bobo24b3o19boo3b3o6b3o$9bobo10boo22boo50boo
93bo4bo57b3obobo13booboo4b4o4b4o5bobo22bo9bo11boo36bobboboo3b3o5boobbo
bbo$9bobbo8bo11bobo156bo63boo9b3oboo5boo14boo7boo32bo9booboo35b8o5boo
11bo$oo10boo11boo7boo130b3o24boobobo3bo53boboo6boo5bo73b4o37boo5bo3bo
9bo3bo$oo8bo3boo8bobo7bo10bo151bobbo3bo52boo6bo7boo73boo42b3o15b4o$5b
oo5boo9bo20b3o158bo60boo5bo118boo$4bo4bobbo10bobbo17boboo152bo4bo61b3o
boo5boo93bo$9bobo11bo21b3o32bo120b5o70booboo91bo$24bobo5boo11b3o33boo
193b4o80bo11b3o$25boo5bobo10b3o31boo196boo82bo$34bo10boo34bo277b3o$34b
oo65boo118boo58boo$69b4o27b4o116b4o56b4o$68b6o25booboo92b6o17booboo32b
6o17booboo32b6o33bo$67b8o25boo94bo5bo17boo34bo5bo17boo34bo5bo33bo$66b
oo6boo120bo59bo59bo47bo$67b8o122bo4bo54bo4bo54bo4bo31boo8boo$34boo32b
6o125boo58boo58boo42bobo$34bo34b4o$25boo5bobo173boo144b5o$24bobo5boo
69b3o101boob3o113b4o23bo4bo36b4o$10bo12b3o78bo103b5o102bo9bo3bo28bo24b
o10bo3bo$5bo4b4o8b3o31boo54boo95b3o104boo11bo23bo3bo24bobo4boo7bo$5bo
5b4o8b3o31bo45b3o5bobo199b3o5boobbobbo26bo24boobbo3b4obbobbo$oo9bobbo
9bobo7boo21bobo8bo33bo3bo4bo200b3o6b3o54boobo5bo3boo$oo9b4o10boo6bobo
22boo8bobo30bo5bobboo193bo7b3o5boobbobbo45bo5boobbo3b4obbobbo$10b4o8bo
12bo33bobo7bo21bobobobo128bo68boo9boo11bo44boo6bobo4boo7bo$10bo12bo30b
oo13bobbo6boo19booboboboo126b3ob3o23boo37bobo8bo9bo3bo12boo29bobo7bo
10bo3bo12boo$21b3o30bobo12bobobboo4boo20boboobbo125bo3b4o22b4o58b4o3b
4o4b4o50b4o3b4o4b4o$36boo16bo13bobo3boo4b3o19bo3bo128b3obbobo21booboo
63bo3bo4booboo55bo3bo4booboo$36boo30bo5boo4boo19boo3boo128bo18b3oboo5b
oo34boo6bo25bo6boo34bo25bo6boo$79boo7boo164boo5bo37b3oboo5boo20bobbo
43boo20bobbo$27boo50bo8bobo162bo7boo36b5o5bobo27bo38bobo27bo$27boo6boo
bo28bo22bo6bobo154boo5bo38b3o34bo68bo$36bobo15boo10bo23boo6boo124b3o
12bo15b3oboo5boo14boo41bo11bobboo52bo11bobboo$15bo21bo16boo10b3o29bo
127bo11bobo23booboo4b4o4b4o30bo10bo9bo5bo41bo10bo9bo5bo$14boo20boo187b
o11boo25b4o4bo3bo4booboo29boo8b3o9bobobboo40boo8b3o9bobobboo$3boo8boo
4boo5bo9boo25boo185bo14boo9bo6boo29bobo8b3o9bo3boo40bobo8b3o9bo3boo$3b
oo7b3o4boo3bobo9boo15boboo6boo185boo20bobbo45b5ob3o9b3o48b5ob3o9b3o$
13boo4boobbobo27bobo193bobo27bo42b3o3boo61b3o3boo$14boo6bobbo28bo22bob
o197bo45bo68bo$15bo7bobo28boo13b3o5bo3bo183bo11bobboo60boo67boo$24bobo
8boo17boo8boobbobbobo7bo5boo166bo10bo9bo5bo58b4o65b4o$26bo8bobo16boo6b
obbobboo7bo4bo4boo166boo8b3o9bobobboo57booboo64booboo$37bo23bo19bo172b
obo8b3o9bo3boo43boo15boo50boo15boo$37boo22bo10b3obbo3bo166b4o9b5ob3o9b
3o42booboo64booboo$61bo15bobo167b6o9b3o3boo54b4o65b4o$55boo5bobbo181b
4oboo9bo61boo67boo$54bobo7boo185boo29boo$38boo14bo184b3o39b4o$38bo14b
oo186bo39booboo$27bobo6bobo201bo25boo15boo$27bobbo5boo226booboo$12bo6b
o10boo21boo209b4o$11bobo5bo8bo3boo20bo210boo$10boboo6bo9boo15bo6bobo7b
o209boo$4boo3booboo9boobbobbo6boo7b3o6boo4b4o198bo8booboo$4boo4boboo5b
3obbobbobo7boo6boobo11b4o16bo180bobo4bo3b4o$11bobo7b4o20b3o12bobbo8boo
5bobo178bobbo5bo3boo$12bo9boo21b3o12b4o14bo3boo176bo6bobbo$38boo5b3o6b
oo5b4o3boobobo4bo3boo3boo162bo8bobbo5bo3boo$36boboo6boo6boo8bobbo3boo
5bo3boo3boo161boo9bobo4bo3b4o$36bo31bo10bobo181bo8booboo$25boo3bo5bo
31bobbo8bo46bobo117bo26boo5boo5b4o$26boo3boo3bobbo5bo7b3o72boo115bo3bo
4b3o22booboo3bo3bo$25bo4boo5boo5b3o6boo73bo121bo5bo22b4o8bo$44boboo8b
oo187bo4bo4bo24boo5bobbo$12boo31b3o7b3o3bo3b3o178b5o$10bobbo31b3o6bobo
3bo4bo212bo$boo6bo7b3o3bo21b3o6boo4b3o3bo192b3o15boo8boo$boo6bo6bo3b5o
20boo214bo14bo9bobbo$9bo7bo3booboo53boo179bo16b5o4bobbo$10bobbo3bo3boo
b3o47bo4boo197b4o3booboo$12boo5b4oboo42boob5o6boo6boo189bo4boo$21b4o8b
oo32bo4boobbo5b3o5boo172b3o$23bo9bobo30bo8boo5boo182bo$35bo30bo7bo4boo
184bo$35boo29bo12boo207b4o$58boo7bo74bobo125bobbo13bo3bo$57bobo8boo73b
oo129bo16bo$57bo85bo126bo3bo12bobbo$56boo213b4o$$56boo$57bo$57bobo9bo$
35boo21boo8b4o$35bo31boob4o5boo$26boo5bobo30b3oboo3bo3bobbo$25b3o5boo
32booboo3bo7bo$13bo8boboo42b5o3bo6bo6boo$13bobo6bobbo43bo3b3o7bo6boo$
14bobo5boboo53bobbo$boo11bobbo7b3o51boo$boo11bobo9boo$13bobo38boo11bo$
13bo9bo30bobbo7boo$24boo39b3o$23boo12boo15bobbo5b3o$36bobbo13bobbo6boo
$28boo6bo16bobo$29boo5bo17bo14boo9bo$28bo7boboo28b4o7bobo$38boo14boo7b
obobbobb3o5boobo4boo89bo$15boo37boo6bobbobboo9booboo3boo88bobo$13bobbo
44boo9bo6boobo93bobo$4boo6bo7b3o3bo10boo20boo3bo8bo5bobo94boo$4boo6bo
6bo3b5o9boo22boo10bo6bo$12bo7bo3booboo26boo5bobbo$13bobbo3bo3boob3o24b
obo6bobo$15boo5b4oboo25bo$24b4o8boo15boo$26bo9bobo130boo$38bo129bobo$
38boo16boo109bobo$57bo110bo$57bobo4bo$58boo3bobo$62boboo15boo$61booboo
14bobo$62boboo13bo6boo$57boo4bobo13bobbobbobboboo$57boo5bo5bo8bo6boobb
oo$70bobo7bobo$45bo24boo9boo$44b3o9boobo$44boboo9bobo$45b3o10bo$45b3o
9boo$45b3o9boo$45boo10boo$$83bobo$75b3o5bo3bo$70boobbobbobo7bo5boo$68b
obbobboo7bo4bo4boo$67bo19bo$67bo10b3obbo3bo$67bo15bobo$61boo5bobbo$60b
obo7boo$39boo19bo$38bobo18boo$39bo$56boo$40bobbo13bo$39bo17bobo7bo$37b
oo19boo4b4o$34bo6boobo18b4o16bo$37bo3bobbo18bobbo8boo5bobo$37b3obo3bo
17b4o14bo3boo$34bo11bo17b4o3boobobo4bo3boo3boo$35bo3bob3o23bobbo3boo5b
o3boo3boo$36bobbo3bo27bo10bobo$36boboo6bo24bobbo8bo$42boo$41bo12boo$
37bobbo13boo3$53boboo$53bobo10boo$54bo11bobo9boo$54boo10bo10b3o$54boo
6bo11boboo9boo$54boo6boo10bobbo4bo5bo$58boo3boo9boboo5bo$63b3o11b3o3bo
3bo$63boo13boo5bo$55boo5boo$54bobo5bo$54bo$53boo!