How to write OTSU OTSU Kochi-shi Kochi in Japanese characters

How to write OTSU OTSU Kochi-shi Kochi in Japanese characters. The data come from Japan Post.

zipcode and address

OTSU OTSU（Inseart numbers and so on before the address）
Kochi-shi, Kochi
781-5103 Japan

Japanese Kanji

You can click/tap to copy Japanese Expression partially.
高知県高知市大津乙
7815103

Japanese Hiragana

こうちけんこうちしおおつおつ

Japanese Katakana

コウチケンコウチシオオツオツ

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