Create a function that takes a Number as its argument and returns a Chinese numeral string. You don't need to validate the input argument, it will always be a Number in the range [0, 99999] with no decimals.

Simplified Chinese numerals have characters representing each number from 0 to 9 and additional numbers representing larger numbers like 10, 100, 1000, and 10000.

0 líng 零
1 yī 一
2 èr 二
3 sān 三
4 sì 四
5 wǔ 五
6 liù 六
7 qī 七
8 bā 八
9 jiǔ 九
10 shí 十
100 bǎi 百
1000 qiān 千
10000 wàn 万

Multiple-digit numbers are constructed by first the digit value (1 to 9) and then the place multiplier (such as 10, 100, 1000), starting with the most significant digit. A special case is made for 10 - 19 where the leading digit value (yī 一) is dropped. Note that this special case is only made for the actual values 10 - 19, not any larger values. Trailing zeros are omitted, but interior zeros are grouped together and indicated by a single 零 character without giving the place multiplier.

Examples

10 十
11 十一
18 十八
21 二十一
110 一百一十
123 一百二十三
24681 二万四千六百八十一

Tests

to_chinese_numeral(9)
to_chinese_numeral(10)
to_chinese_numeral(110)
to_chinese_numeral(111)
to_chinese_numeral(1000)
to_chinese_numeral(10000)

Good luck!

This challenge comes from ConstableBrew on CodeWars. Thank you to CodeWars, who has licensed redistribution of this challenge under the 2-Clause BSD License!

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