diff --git a/app/src/main/java/sudoku/Bloc.java b/app/src/main/java/sudoku/Bloc.java
new file mode 100644
index 0000000..39f1e90
--- /dev/null
+++ b/app/src/main/java/sudoku/Bloc.java
@@ -0,0 +1,15 @@
+package sudoku;
+
+public class Bloc<S> {
+
+	private final Case<S>[] cases;
+
+	public Bloc(Case<S>[] cases) {
+		this.cases = cases;
+	}
+
+	public Case<S>[] getCases() {
+		return cases;
+	}
+
+}
diff --git a/app/src/main/java/sudoku/Case.java b/app/src/main/java/sudoku/Case.java
new file mode 100644
index 0000000..17dc143
--- /dev/null
+++ b/app/src/main/java/sudoku/Case.java
@@ -0,0 +1,18 @@
+package sudoku;
+
+public class Case<S> {
+
+	private Symbole<S> symbole;
+
+	public Case(Symbole<S> symbole) {
+		this.symbole = symbole;
+	}
+
+	public Symbole<S> getSymbole() {
+		return this.symbole;
+	}
+
+	public void setSymbole(Symbole<S> symbole) {
+		this.symbole = symbole;
+	}
+}
diff --git a/app/src/main/java/sudoku/MultiDoku.java b/app/src/main/java/sudoku/MultiDoku.java
new file mode 100644
index 0000000..7561ad1
--- /dev/null
+++ b/app/src/main/java/sudoku/MultiDoku.java
@@ -0,0 +1,19 @@
+package sudoku;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @class MultiDoku
+ * @brief Représente une grille de Multidoku.
+ *        Une grille de sudoku est un multidoku avec un seul sous-sudoku
+ */
+public class MultiDoku<S> {
+
+	private final List<Sudoku<S>> sousGrilles;
+
+	public MultiDoku(List<Symbole<S>> symboles) {
+		this.sousGrilles = new ArrayList<>();
+	}
+
+}
diff --git a/app/src/main/java/sudoku/Sudoku.java b/app/src/main/java/sudoku/Sudoku.java
new file mode 100644
index 0000000..a5d8567
--- /dev/null
+++ b/app/src/main/java/sudoku/Sudoku.java
@@ -0,0 +1,27 @@
+package sudoku;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @class Sudoku
+ * @brief Représente une grille de sudoku avec N symboles
+ */
+public class Sudoku<S> {
+
+	private final List<Symbole<S>> symboles;
+	private final List<Bloc<S>> blocs;
+	private final List<Case<S>> cases;
+
+	public Sudoku(List<Symbole<S>> symboles) {
+		this.symboles = symboles;
+		// initialisation des cases
+		this.cases = new ArrayList<>(this.symboles.size() * this.symboles.size());
+		Collections.fill(this.cases, new Case<>(null));
+		// initialisation des blocs
+		this.blocs = new ArrayList<>(this.symboles.size());
+		Collections.fill(this.blocs, new Bloc<>(null));
+	}
+
+}
diff --git a/app/src/main/java/sudoku/Symbole.java b/app/src/main/java/sudoku/Symbole.java
new file mode 100644
index 0000000..fd51d68
--- /dev/null
+++ b/app/src/main/java/sudoku/Symbole.java
@@ -0,0 +1,15 @@
+package sudoku;
+
+public class Symbole<S> {
+
+	private final S valeur;
+
+	public Symbole(S valeur) {
+		this.valeur = valeur;
+	}
+
+	public S getValeur() {
+		return valeur;
+	}
+
+}