#define root_weave_width 16
#define root_weave_height 16
static short root_weave_bits[] = {
   0x7777, 0xdddd, 0xbbbb, 0xeeee,
   0x7777, 0xdddd, 0xbbbb, 0xeeee,
   0x7777, 0xdddd, 0xbbbb, 0xeeee,
   0x7777, 0xdddd, 0xbbbb, 0xeeee};