i like the binary one
0x000001,0x000002,0x000002,0x000003,0x000004,0x000005,
0x000006,0x000007,0x000008,0x000009,0x00000A,0x00000B,
0x00000C,0x00000D,0x00000E,0x00000F,0x000010,0x000011,
0x000012,0x000013
hexadecimal
yi, er , san, si, wu, liu, qi, ba, jiu, shi, shi-yi, shi-er, shi-san, shi-si, shi-wu, shi-liu, shi-qi, shi-ba, shi-jiu, er-shi
mandarin