#define tweed_width 16
#define tweed_height 16
static char tweed_bits[] = {
 0x22,0x22,0xee,0xee,0x77,0x77,0x44,0x44,0x22,0x22,0xee,0xee,0x77,0x77,0x44,
 0x44,0x22,0x22,0xee,0xee,0x77,0x77,0x44,0x44,0x22,0x22,0xee,0xee,0x77,0x77,
 0x44,0x44};