4

-0.6	-0.5	0.7	0.3	
-0.3	-0.9	0.3	0.7	
-0.4	-0.5	-0.3	-0.8	
0.0	-0.1	0.2	0.9	

-0.85	-0.68	0.24	-0.53	

0.7	0.0	-0.4	-0.5	

