mirror writing
Writing that appears reversed, as if seen in a mirror. Often used in puzzles, art, or by children. The related term 鏡映文字 (きょうえいもじ) is a synonym.
See also: 鏡映文字 (きょうえいもじ)
When I was a child, I used to play by writing mirror writing.
This code is written in mirror writing.
Compound of 鏡 (mirror) and 文字 (character, writing).