m1:Matrix2D = {
0	 0	 0	 
0	 0	 0	 
0	 0	 0	 }

m2:Matrix2D = {
1	 0	 0	 
0	 1	 0	 
0	 0	 1	 }

m3:Matrix2D = {
-1	 0	 0	 
0	 -1	 0	 
0	 0	 1	 }

m4:Matrix2D = {
0	 2	 3	 
3	 2	 0	 
0	 0	 0	 }

m5:Matrix2D = {
0	 2	 3	 
3	 2	 0	 
0	 0	 0	 }

r1:Matrix2D = {
-1	 0	 0	 
0	 -1	 0	 
0	 0	 1	 }

r2:Matrix2D = {
0	 0	 0	 
0	 0	 0	 
0	 0	 0	 }

r3:Matrix2D = {
0	 -2	 -3	 
-3	 -2	 0	 
0	 0	 0	 }