#define lock_width 18
#define lock_height 18
static char lock_bits[] = {
  0xF0, 0x3F, 0x00, 0xF0, 0x3F, 0x00, 0x0C, 0xC0, 0x00, 0x0C, 0xC0, 0x00, 
  0x0C, 0xC0, 0x00, 0x0C, 0xC0, 0x00, 0xFF, 0xFF, 0x03, 0xFF, 0xFF, 0x03, 
  0x03, 0x00, 0x03, 0x03, 0x00, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 
  0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00, 0x03, 0x03, 0x00, 0x03, 
  0xFF, 0xFF, 0x03, 0xFF, 0xFF, 0x03, };