1#tb 0: 1/25
20,          0,          0,        1,   622080, 0xf3f0bf86
30,          1,          1,        1,   622080, 0x6aaf3d42
40,          2,          2,        1,   622080, 0xe53bcd5d
50,          3,          3,        1,   622080, 0x8dabca9d
6