int x,y;x=30*i+15,y=30*j+15;
setcolor(color);
line(x+1,y+4,x+1,y+27);
line(x+7,y+4,x+7,y+27);
line(x+24,y+4,x+24,y+27);
line(x+30,y+4,x+30,y+27);
arc(x+4,y+4,0,180,3);
arc(x+4,y+27,180,360,3);
arc(x+27,y+4,0,180,3);
arc(x+27,y+27,180,360,3);
allcircle(i,j);
line(x+14,y+16,x+14,y+30);
line(x+15,y+16,x+15,y+30);
line(x+16,y+16,x+16,y+30);
line(x+17,y+16,x+17,y+30);
}
void lefttank(int i,int j,int color)
{