#define MODEL_Root              0x18
#define MODEL_g1                0x17
#define MODEL_g38               0x16
#define MODEL_o141              0x15
#define MODEL_o140              0x14
#define MODEL_o139              0x13
#define MODEL_g5                0x12
#define MODEL_g31               0x11
#define MODEL_o123              0x10
#define MODEL_g10               0xF
#define MODEL_o90               0xE
#define MODEL_o89               0xD
#define MODEL_g7                0xC
#define MODEL_o85               0xB
#define MODEL_o84               0xA
#define MODEL_o34               0x9
#define MODEL_o27               0x8
#define MODEL_g2                0x7
#define MODEL_o74               0x6
#define MODEL_o108              0x5
#define MODEL_o61               0x4
#define MODEL_o75               0x3
#define MODEL_o66               0x2
#define MODEL_o33               0x1
#define MODEL_o28               0x0