AA=   					 					
						
       [ 2,-1, 3,						
	 1, 2, 4,			 	 
	 5,-3, 6] 				 
AB=					 
       [ 1,-2, 3,
	 6, 0, 1,
	-7, 1, 3]

AC=					
	[ 0, 3, 1,
	  1, 1, 2,
	  3, 2, 4]

AD=
	[ 2, 7, 1,
	  1, 4,-1,
	  1, 3, 0]

AE=
	[ 1,-1,  2,
	 -5, 7,-11,
	 -2, 3, -5]

AF=
	[ 3, 1,-1,
	  2, 1, 0,
	  1, 5,-1]
	

BA=
	[ 2, 1, 3, 1,
	  1, 0, 1, 1,
	  0, 2, 1, 0,
	  0, 1, 2, 3]

BB=
	[-1, 4, 5, 2,
	  0, 0, 0,-1,
	  1,-2,-2, 0,
	  0.-1,-1, 0]

BC=
	[ 0, 2,-1, 3,
	 -1, 1, 2, 0,
	  1, 1,-3, 3,
	  1, 5, 5, 9]

CA=
	[ 3, 8,-3,-14, 1,
	  2, 3,-1, -2, 2,
	  1,-2, 1, 10, 3,
	  1, 5,-2,-12,-1]

CB=
	[ 1,-1, 1,-2, 3,
	 -1, 1, 1, 1, 2,
	 -1, 2, 3,-1, 9,
	  1,-1, 2, 1, 2]

CC=
	[ 1, 1, 1,-1, 3,
	  3, 5,-2, 1, 1,
	 -3,-7, 7,-5, 7,
	  1, 3,-4, 3,-5]

DA=
	[ 1,-1, 1, 1, 
	 -2, 1,-3,-5,
	  4,-3, 1, 5]

DB=
	
	[ 1,-1, 1, 8, 
	 -2, 1,-3,-14,
	  4,-3, 1, 14]