ref: 2d221e61e3820a007ff2204adb73ad3ab27010c6
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...............