#define sfwd_width 16
#define sfwd_height 16
static char sfwd_bits[] = {
   0x00, 0x00, 0x1e, 0x01, 0x1e, 0x03, 0x1e, 0x07, 0x1e, 0x0f, 0x1e, 0x1f,
   0x1e, 0x3f, 0x1e, 0x7f, 0x1e, 0x7f, 0x1e, 0x3f, 0x1e, 0x1f, 0x1e, 0x0f,
   0x1e, 0x07, 0x1e, 0x03, 0x1e, 0x01, 0x00, 0x00};
