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Hi,
i use itemize and i want put character(x1 x1 x1 x1) or (x2 x2 x2 x2) or (x3 x3 x3 x3) that always located in position of Ending of 3.rows.

In My code, these charater located only in position of Ending of 2. rows

\documentclass{article}
\usepackage{tikz}
\usepackage{tcolorbox}
\tcbuselibrary ...