#define 2x2_width 16
#define 2x2_height 16
static short 2x2_bits[] = {
   0xffff, 0xffff, 0x3333, 0x3333,
   0xffff, 0xffff, 0x3333, 0x3333,
   0xffff, 0xffff, 0x3333, 0x3333,
   0xffff, 0xffff, 0x3333, 0x3333};