grid16 revision 129be1b7 
1#define grid16_width 16
2#define grid16_height 16
3static char grid16_bits[] = {
4   0x55, 0x55, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
5   0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
6   0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00};
7