#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

