Map of Sierpiński Land
https://www.dwitter.net/d/23019
https://www.dwitter.net/d/23015
for(j=1e4;--j;x.fillRect(a.x+=C(a.a+=((a.x+d%1e3)&a.y+d)/99),a.y+=S(a.a),1,.1))a=T[i=j%9]=t?T[i]:(d=Date.now(),{x:i*200,y:d%1e3,a:j})
https://www.dwitter.net/d/23019
https://www.dwitter.net/d/23015
for(j=1e4;--j;x.fillRect(a.x+=C(a.a+=((a.x+d%1e3)&a.y+d)/99),a.y+=S(a.a),1,.1))a=T[i=j%9]=t?T[i]:(d=Date.now(),{x:i*200,y:d%1e3,a:j})