#define cert_width 18
#define cert_height 18
static char cert_bits[] = {
  0xFF, 0xFF, 0x03, 0xFF, 0xFF, 0x03, 0xF3, 0x3F, 0x03, 0xF3, 0x3F, 0x03, 
  0xF3, 0x3F, 0x03, 0xF3, 0x3F, 0x03, 0xF3, 0x3F, 0x03, 0xF3, 0x3F, 0x03, 
  0x33, 0x33, 0x03, 0x33, 0x33, 0x03, 0x03, 0x00, 0x03, 0x03, 0x00, 0x03, 
  0x03, 0x3C, 0x03, 0x03, 0x3C, 0x03, 0x03, 0x00, 0x03, 0x03, 0x00, 0x03, 
  0xFF, 0xFF, 0x03, 0xFF, 0xFF, 0x03, };