#define panel_width 16
#define panel_height 16
static char panel_bits[] = {
   0x00, 0x00, 0xf8, 0x1f, 0xf8, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
   0x98, 0x19, 0x98, 0x19, 0x98, 0x19, 0x98, 0x19, 0x98, 0x19, 0x18, 0x18,
   0x18, 0x18, 0x18, 0x18, 0xf8, 0x1f, 0xf8, 0x1f};