#define O B F U S C A T E D
#define I 8;}t(p){r(p?W:o);XClearWindow(V,m);}main(i,f)char**f;{M((T(h=f),
#define K Y(o,XMapRaised(V,e);)x=3;x--;)for(y=3;y--;r(G))XMapRaised(V,R[D]
#define N z(x+i,(z(H-x-i,x),x)))x<i||z(x-i,x)|z(H-x+i,x)Y(W,)l=k;l>20&&l>x
#define XIMOfIC Z;XID(*w)()=XCreateWindow,m,e,o[2],W[2],G[2],R[2][O]);}GC*g
#define E (++D)));}r(XID*z){XSetWindowBackgroundPixmap(V=d[D],m=R[D][x][y],z[
#define L ;XStoreName(V,e=w(V,RootWindow(V,s),0,0,152,152,2,0,1,0,0,0),"II"+D
#define B 3][3];Display*V,*d[2];char**h,k=25,b[2500],H=50,D,s,x,y,i;T(){float
#define S +k),z(k-P=w(V,e,H*x,H*y,H,H,1,0,1,0,2048,&c));}XEvent J;M(){XFlush(
#define Y(z,y) ;for(z[D]=XCreatePixmapFromBitmapData(Q,x=0,H*H);x<H;x++)y for(
#define A x][y]&&!b[x+k*y]++?t(D),t(!(D^=1)):D);M();}z(x,y){b[x/8+y*7]|=1<<x%I
#define P x,y)-z(y,x+k)+z(y,k-x)*z(x+k,y=H-y),z(k-x,y),z(y,k-x),z(y,k+x)K[x][y]
#define Q V,e,b,H,H,BlackPixel(V,s),WhitePixel(V,s),DefaultDepth(V,s)),memset(b
#define C d[!D]);x=3;for(XNextEvent(V,&J);x--;)for(y=3;y--;J.xany.window==R[D][
#define F l;XSetWindowAttributes c;s=XDefaultScreen(V=d[D]=XOpenDisplay(*(h+=!!
#define U *h)))L)Y(G,)i=c.event_mask=4;i--;x+i>H||N;l-=.5)z(x+k,y=sqrt(l*l-x*x)
#include <math.h>
#include <X11/Xlib.h>