#define test_width 13
#define test_height 16
static unsigned char test_bits[] = {
   0x03, 0x00, 0x00, 0x00, 0xa0, 0x00, 0x40, 0x08, 0x40, 0x10, 0x40, 0x00,
   0x40, 0x08, 0x40, 0x10, 0x41, 0x00, 0xa1, 0x00, 0x00, 0x04, 0x08, 0x02,
   0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
