#define group_width 24
#define group_height 24
static char group_bits[] = {
   0x00, 0x00, 0xe0, 0x00, 0x00, 0xf8, 0x00, 0x00, 0x7e, 0x00, 0x80, 0x3f,
   0x00, 0xe0, 0x1f, 0x00, 0xf8, 0x0e, 0x00, 0x3e, 0x07, 0x80, 0x8f, 0x03,
   0xe0, 0xc3, 0x01, 0xff, 0xe0, 0x00, 0x7f, 0x70, 0x00, 0xff, 0x39, 0x00,
   0xe0, 0x1f, 0x00, 0x80, 0x0f, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0xe6, 0x98, 0x74, 0x29, 0xa5, 0x94, 0x21, 0xa5, 0x94,
   0xed, 0xa4, 0x74, 0xa9, 0xa4, 0x14, 0x29, 0xa5, 0x14, 0x26, 0x19, 0x13};