#define speed_width 16
#define speed_height 16
static char speed_bits[] = {
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0xe0, 0x03, 0x20, 0x02, 0xf8, 0x02, 0x88, 0x1e, 0xc8, 0x20, 0x88, 0x27,
   0x48, 0x39, 0x08, 0x18, 0xf8, 0x0f, 0x38, 0x07};