#define volume_minus_width 9
#define volume_minus_height 9
static unsigned char volume_minus_bits[] = {
   0x10, 0x00, 0x18, 0x00, 0x14, 0x00, 0x13, 0x00, 0xd1, 0x01, 0x13, 0x00,
   0x14, 0x00, 0x18, 0x00, 0x10, 0x00 };