The difference between gold gradient layer 11 and 12 is the color ratio of the hair tips. The color ratio of the hair tips of 12 is smaller than that of 11. The difference between the color of the hair on the neck and the color of the hair on the toes is the most obvious. Normally, the color from the nose to the belly of 12 is pure white, without yellow, while 11 will have yellow or yellow stripes, and the paws of 12 will have a little yellow hair, while 11 has yellow paws, no white.