growth	diet	coat
6.6	A	light
7.2	A	light
6.9	B	light
8.3	B	light
7.9	C	light
9.2	C	light
8.3	A	dark
8.7	A	dark
8.1	B	dark
8.5	B	dark
9.1	C	dark
9	C	dark