#define left_mask_width 16
#define left_mask_height 16
static char left_mask_bits[] = {
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x24,0x00,0x7e,0x00,
 0x3f,0x80,0x1f,0x00,0x3f,0x00,0x7e,0x00,0x24,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00};
