#define downF_width 16
#define downF_height 16
static unsigned char downF_bits[] = {
   0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xfe, 0x7f, 0xfc, 0x3f, 0xfc, 0x3f,
   0xf8, 0x1f, 0xf8, 0x1f, 0xf0, 0x0f, 0xf0, 0x0f, 0xe0, 0x07, 0xe0, 0x07,
   0xc0, 0x03, 0xc0, 0x03, 0x80, 0x01, 0x80, 0x01};
