1.Post 2 times
2.Press "Backspace" to delete the second [ザイル]
3.Post once again
4.Push "←"("←"連打) to move the cursor to the left, then press "Delete" to delete the first [ザイル]
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5.Press "→"("→"連打) to move the cursor in [ザイル], then change the words
7.Press "Enter" to post, Cool!!!