RRRRRRRRRRRG
GGGGGGGGGGBG
RBBBBBBBBRBG
RGRRRRRRGRBG
RGBGGGGBGRBG
RGBRBBRBGRBG
RGBRGBGBGRBG
RGBRGRRRGRBG
RGBRBBBBBRBG
RGBGGGGGGGBG
RGRRRRRRRRRG
RBBBBBBBBBBB