00: e 7 0 f 0 2 a 0 2 a 0 2 e 6 4 e 10: 6 9 4 4 b 1 f 0 0 8 f 4 2 a 0 5 20: b 1 c f f 2 a f 3 0 1 e b f 1 f 30: a 0 5 c f f 3 b f 0 b 2 9 1 2 0 40: f 3 b 1 e b 7 f 0 0 b 1 5 f 3 2