c.height=c.width=W=255
c.style.border='4px solid #000'
V=3
s=t=L=U=0
h=X=10
Y=125
with([])with(Math)with(a)K=r=random,P=function(x,y){x=(x+~~y*W)*4
for(y=1;y<5;)I.data[x++]=y++>>2?W:9},S=function(x,y,p){for(J=0;J++<56;)p&1&&P(x+J%8,y+J/8),p/=2},onkeydown=onkeyup=function(e){v={38:-2,40:2,37:-1,39:1}[e.which]
w=!!e.type[6]&&v
v?v&1?L=w:U=w:++w||h&&(h=0,t=X+8,b=Y+1)},setInterval(function(){X+=L
Y+=U
I=createImageData(W,W)
for(i=V;i>0;)S(W-i--*10,245,Z=0x3F6DFFBF12720C);S(X,Y,Z);h||P(t,b,h=(t+=4)>251)
forEach(function(v,i){S(x=--v[0],y=v[1],G);x<1|x-X>=0&x-X<8&abs(y-Y)<8?splice(i,1)+V--+(K=function(){fillStyle="red"
fillRect(0,0,W,W)
fillStyle='#000'
K=r}):h|x-t<0|x-t>9|b-y<0|b-y>9?0:h=splice(i,1)|++s%20||++V})
V>0&&S(2,3,G=0x607E416AD57E60)+putImageData(I,0,0)+fillText(s,15,10);K((g=length<4&r()>.93&&25+(r()*25<<3))&&push([246,g]))},70)