#define gf1_line_width 20
#define gf1_line_height 12
static unsigned char gf1_line_bits[] = {
   0x00, 0x00, 0x0e, 0x00, 0x00, 0x0e, 0x70, 0x00, 0x0e, 0x70, 0x00, 0x02,
   0xf0, 0x00, 0x01, 0x08, 0x81, 0x00, 0x08, 0x46, 0x00, 0x04, 0x78, 0x00,
   0x04, 0x70, 0x00, 0x07, 0x70, 0x00, 0x07, 0x00, 0x00, 0x07, 0x00, 0x00};