	Key1	Key2	Key3	Key4	Key5	Key6
$C_{R R}$	0.0007	0.0017	0.0017	−0.0015	−0.0006	−0.0039
$C_{R G}$	0.0012	0.0021	0.0015	−0.0005	0.0019	0.0002
$C_{R B}$	0.0021	−0.0030	0.0009	−0.0037	0.0013	0.0010
$C_{G R}$	−0.0007	0.0016	0.0008	−0.0022	0.0002	−0.0041
$C_{G G}$	0.0012	0.0035	0.0011	−0.0003	0.0014	−0.0014
$C_{G B}$	0.0005	−0.0040	0.0022	−0.0034	0.0014	−0.0011
$C_{B R}$	−0.0017	0.0015	0.0004	−0.0020	0.0007	−0.0029
$C_{B G}$	0.0024	0.0037	0.0011	−0.0013	0.0011	−0.0020
$C_{B B}$	−0.0003	−0.0029	0.0028	−0.0028	0.0021	−0.0020