 \[fill\] at (-0,0) ; \[fill\] at (-0,-0) ; \[fill\] at (-0,-0) ; \[fill\] at (-0,-0) ; \[fill\] at (0,-0-0) ; \[fill\] at (0,-0-0) ; \[fill\] at (0,0-0) ;  \[fill\] at (-0,0) ; \[fill\] at (-0,0) ; \[fill\] at (-0,0) ; \[fill\] at (0,0) ; \[fill\] at (0,0) ; \[fill\] at (0,0) ; \[fill\] at (0,0) ;  (-0,0) to (-0+0,0) to (-0+0,0+0) to (-0+0+0,0+0) to (-0+0+0+0,0+0) to (-0+0+0+0,0+0+0) to (-0+0+0+0,0+0+0+0);  (-0,-0) to (-0+0,-0) to (-0+0,-0+0) to (-0+0+0,-0+0) to (-0+0+0+0,-0+0) to (-0+0+0+0,-0+0+0);  (-0,-0) to (-0,-0+0) to (-0+0,-0+0) to (-0+0,-0+0+0);  (