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t=0
draw=_=>{t|createCanvas(W=720,W)
t+=.1
background(W)
F=1
for(y=0;y<=W;y+=40)for(x=0;x<=W;x+=40)for(r=0;r<8+(X=Y=0)+(F=-F)*0;r++)for(i=0;i<9;i++)push()+translate(x,y)+line(X,Y,X+=cos(R=r*PI/4+noise(i/9,(x-W/2)/W,int(t))*8-4)*3*F,Y+=sin(R)*3)+pop()}