	Key1	Key2	Key3	Key4	Key5	Key6
$C_{R R}$	−0.0009	−0.0030	−0.0003	−0.0004	0.0050	−0.0000
$C_{R G}$	−0.0012	−0.0009	−0.0032	−0.0017	−0.0018	−0.0030
$C_{R B}$	0.0002	0.0005	0.0019	0.0021	−0.0002	−0.0037
$C_{G R}$	−0.0004	0.0000	0.0017	0.0059	−0.0026	0.0012
$C_{G G}$	−0.0014	0.0016	0.0003	0.0014	0.0012	−0.0038
$C_{G B}$	−0.0000	−0.0001	−0.0010	0.0049	0.0003	−0.0006
$C_{B R}$	−0.0038	0.0060	−0.0015	0.0020	−0.0006	−0.0002
$C_{B G}$	0.0003	0.0020	0.0040	−0.0014	0.0017	0.0015
$C_{B B}$	−0.0005	0.0000	0.0014	0.0020	0.0018	−0.0015