#define MODEL_Root              0xF
#define MODEL_g144              0xE
#define MODEL_g315              0xD
#define MODEL_o1337             0xC
#define MODEL_o1336             0xB
#define MODEL_o1335             0xA
#define MODEL_o1334             0x9
#define MODEL_g183              0x8
#define MODEL_o1234             0x7
#define MODEL_o1231             0x6
#define MODEL_g218              0x5
#define MODEL_o1229             0x4
#define MODEL_g181              0x3
#define MODEL_o1332             0x2
#define MODEL_o914              0x1
#define MODEL_o1331             0x0