#define MODEL_Root 0x9
#define MODEL_g1 0x8
#define MODEL_g3 0x7
#define MODEL_o15 0x6
#define MODEL_o14 0x5
#define MODEL_o13 0x4
#define MODEL_o12 0x3
#define MODEL_g2 0x2
#define MODEL_o16 0x1
#define MODEL_o9 0x0