diff --git a/1NSI/07_Representation_de_texte/1B.tex b/1NSI/07_Representation_de_texte/1B.tex
new file mode 100644
index 0000000..772dd76
--- /dev/null
+++ b/1NSI/07_Representation_de_texte/1B.tex
@@ -0,0 +1,14 @@
+\documentclass[a4paper,10pt]{article}
+\usepackage{myXsim}
+
+\author{Benjamin Bertrand}
+\title{Representation de texte - Cours}
+\date{janvier 2023}
+
+\pagestyle{empty}
+
+\begin{document}
+
+\maketitle
+
+\end{document}
diff --git a/1NSI/07_Representation_de_texte/exercises.tex b/1NSI/07_Representation_de_texte/exercises.tex
new file mode 100644
index 0000000..b880daa
--- /dev/null
+++ b/1NSI/07_Representation_de_texte/exercises.tex
@@ -0,0 +1,7 @@
+\begin{exercise}[subtitle={<++>}, step={1}, origin={<++>}, topics={ Representation de texte }, tags={ ASCII, Chiffrement }]
+    <++>
+\end{exercise}
+
+\begin{solution}
+    <++>
+\end{solution}
diff --git a/1NSI/07_Representation_de_texte/index.rst b/1NSI/07_Representation_de_texte/index.rst
new file mode 100644
index 0000000..e69de29
diff --git a/1NSI/07_Representation_de_texte/plan_de_travail.tex b/1NSI/07_Representation_de_texte/plan_de_travail.tex
new file mode 100644
index 0000000..417f837
--- /dev/null
+++ b/1NSI/07_Representation_de_texte/plan_de_travail.tex
@@ -0,0 +1,44 @@
+\documentclass[a4paper,12pt]{article}
+\usepackage{myXsim}
+
+\author{Benjamin Bertrand}
+\title{Representation de texte - Plan de travail}
+\tribe{1NSI}
+\date{janvier 2023}
+
+\pagestyle{empty}
+
+\DeclareExerciseCollection{banque}
+\xsimsetup{
+}
+
+
+\begin{document}
+\maketitle
+
+% Résumé
+
+\bigskip
+
+Savoir-faire de la séquence
+\begin{itemize}
+    \item
+\end{itemize}
+
+\bigskip
+
+Ordre des étapes à respecter
+
+
+\section{}
+
+\listsectionexercises
+
+
+\pagebreak
+
+\input{exercises.tex}
+\printcollection{banque}
+
+
+\end{document}
diff --git a/1NSI/07_Representation_de_texte/solutions.tex b/1NSI/07_Representation_de_texte/solutions.tex
new file mode 100644
index 0000000..41490d1
--- /dev/null
+++ b/1NSI/07_Representation_de_texte/solutions.tex
@@ -0,0 +1,28 @@
+\documentclass[a4paper,10pt]{article}
+\usepackage{myXsim}
+
+\usetikzlibrary{shapes.geometric}
+
+\author{Benjamin Bertrand}
+\title{Representation de texte - Solutions}
+\tribe{1NSI}
+\date{janvier 2023}
+
+\DeclareExerciseCollection{banque}
+\xsimsetup{
+    exercise/print=false,
+    solution/print=true,
+}
+
+\pagestyle{empty}
+
+
+\begin{document}
+
+\maketitle
+
+\input{exercises.tex}
+%\printcollection{banque}
+%\printsolutions{exercises}
+
+\end{document}