#define grey24_width 16
#define grey24_height 16
static char grey24_bits[] = {
 0x44,0x44,0x11,0x11,0x44,0x44,0x11,0x11,0x44,0x44,0x11,0x11,0x44,0x44,0x11,
 0x11,0x44,0x44,0x11,0x11,0x44,0x44,0x11,0x11,0x44,0x44,0x11,0x11,0x44,0x44,
 0x11,0x11};