#define overlap_width 16
#define overlap_height 16
static char overlap_bits[] = {
 0xfb,0xbe,0x7d,0xdf,0xba,0xae,0xd7,0x75,0xab,0xfb,0x7d,0xf7,0xfe,0xee,0x7d,
 0x77,0xbb,0xbb,0x57,0xd5,0xeb,0xee,0xdd,0xf7,0xba,0xeb,0x77,0x5d,0xef,0xbe,
 0xf7,0x7d};