#define sub_width 16
#define sub_height 16
static char sub_bits[] = {
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,
 0x00,0x60,0x00,0xfc,0x3f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00};