RGBRGB
BRGBRG
GBRGBR
RGBRGB
BRGBRG
GBRGBR

GBRGBR
RGBRGB
BRGBRG
GBRGBR
RGBRGB
BRGBRG

BRGBRG
GBRGBR
RGBRGB
BRGBRG
GBRGBR
RGBRGB

RGBRGB
BRGBRG
GBRGBR
RGBRGB
BRGBRG
GBRGBR

GBRGBR
RGBRGB
BRGBRG
GBRGBR
RGBRGB
BRGBRG

BRGBRG
GBRGBR
RGBRGB
BRGBRG
GBRGBR
RGBRGB