ref: 3d5dca521797b5a91ebc4281fbaf58211bb4f40f
dir: /sys/games/lib/life/thunderbirdfus/
..xxx................ ..................... x.....x..........x... x.....x.xxx......x... x.....x..........x... ..................... ..xxx................ ..................... ...................x. ...................x. ...................x. ..................... ..................... ..................... ..................... ..................... ..................... ..................xxx .....x............... .....x......xxx...... .....x...............