#define snapvis_width 16
#define snapvis_height 16
// static unsigned char snapvis_bits[] = {
static char snapvis_bits[] = {
   0x44, 0x44, 0x44, 0x44, 0xff, 0xff, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
   0xff, 0xff, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0xff, 0xff, 0x44, 0x44,
   0x44, 0x44, 0x44, 0x44, 0xff, 0xff, 0x44, 0x44};