#define x4_width 16
#define x4_height 8
static char x4_bits[] = {
   0x00, 0x00, 0x10, 0x08, 0x18, 0x18, 0xfc, 0x3f, 0x18, 0x18, 0x10, 0x08,
   0x00, 0x00, 0x00, 0x00};
