#define minus_width 10
#define minus_height 10
static unsigned char minus_bits[] = {
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x03, 0xff, 0x03,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};