diff --git a/src/notion/publish/v2/publishStatsToPage.ts b/src/notion/publish/v2/publishStatsToPage.ts
index 5ecbb82..8e3e2c3 100644
--- a/src/notion/publish/v2/publishStatsToPage.ts
+++ b/src/notion/publish/v2/publishStatsToPage.ts
@@ -6,7 +6,7 @@ import {
   StatDesc,
   StatGroupDesc,
   StatsType,
-} from "../../../statistiques/v2/StatsDesc";
+} from "../../../statistiques/v2/desc/StatsDesc";
 import { listAllChildrenBlocks } from "../../utils/listAllChildrenBlocks";
 import { removeBlocks } from "../../utils/removeBlocks";
 
diff --git a/src/statistiques/v2/ELStatsV2.ts b/src/statistiques/v2/ELStatsV2.ts
index f652e32..eea6347 100644
--- a/src/statistiques/v2/ELStatsV2.ts
+++ b/src/statistiques/v2/ELStatsV2.ts
@@ -1,5 +1,5 @@
 import { statsPenalesDesc } from "./penales/StatsPenales";
-import { StatsType } from "./StatsDesc";
+import { StatsType } from "./desc/StatsDesc";
 
 export const eLStatsV2Desc = {
   label: "Stats v2",
diff --git a/src/statistiques/v2/StatsDesc.ts b/src/statistiques/v2/desc/StatsDesc.ts
similarity index 91%
rename from src/statistiques/v2/StatsDesc.ts
rename to src/statistiques/v2/desc/StatsDesc.ts
index 72da807..8629bdd 100644
--- a/src/statistiques/v2/StatsDesc.ts
+++ b/src/statistiques/v2/desc/StatsDesc.ts
@@ -1,4 +1,4 @@
-import { ValueFormatOptions } from "../../format/ValueFormatOptions";
+import { ValueFormatOptions } from "../../../format/ValueFormatOptions";
 
 export type StatGroupDesc = {
   label: string;
diff --git a/src/statistiques/v2/generales/StatsGenerales.ts b/src/statistiques/v2/generales/StatsGenerales.ts
index cc5b58c..55b0871 100644
--- a/src/statistiques/v2/generales/StatsGenerales.ts
+++ b/src/statistiques/v2/generales/StatsGenerales.ts
@@ -1,4 +1,4 @@
-import { StatsType } from "../StatsDesc";
+import { StatsType } from "../desc/StatsDesc";
 
 export const statsGeneralesDesc = {
   label: "Stats Générales",
diff --git a/src/statistiques/v2/penales/StatsPenales.ts b/src/statistiques/v2/penales/StatsPenales.ts
index e2a48d5..61b7b54 100644
--- a/src/statistiques/v2/penales/StatsPenales.ts
+++ b/src/statistiques/v2/penales/StatsPenales.ts
@@ -1,4 +1,4 @@
-import { StatsType } from "../StatsDesc";
+import { StatsType } from "../desc/StatsDesc";
 
 export const statsPenalesDesc = {
   label: "Stats Pénales",
diff --git a/src/statistiques/v2/penales/computeSankeyData.ts b/src/statistiques/v2/penales/computeSankeyData.ts
new file mode 100644
index 0000000..a076cba
--- /dev/null
+++ b/src/statistiques/v2/penales/computeSankeyData.ts
@@ -0,0 +1,19 @@
+import { Famille } from "../../../data/Famille";
+import { SankeyData } from "../sankey/SankeyData";
+export function computeSequencEvtPenalSankeyData(familles: Famille[]) {
+  const sankeyData: SankeyData = {};
+
+  familles.forEach((f) => {
+    // Compute all transitions, Events are already sorted
+    for (let index = 0; index < f.Evenements.length - 1; index++) {
+      const fromEvt = f.Evenements[index];
+      const toEvt = f.Evenements[index + 1];
+      const fromTransitions = sankeyData[fromEvt.Type] || {};
+      sankeyData[fromEvt.Type] = {
+        ...fromTransitions,
+        [toEvt.Type]: (fromTransitions[toEvt.Type] || 0) + 1,
+      };
+    }
+  });
+  return sankeyData;
+}
diff --git a/src/statistiques/v2/sankey/SankeyData.ts b/src/statistiques/v2/sankey/SankeyData.ts
new file mode 100644
index 0000000..9e31946
--- /dev/null
+++ b/src/statistiques/v2/sankey/SankeyData.ts
@@ -0,0 +1,8 @@
+/**
+ * Sankey diagram transitions
+ */
+export type SankeyData = {
+  [fromKey: string]: {
+    [toKey: string]: number;
+  };
+};
diff --git a/src/statistiques/v2/sankey/sankeyDataToMermaidDiagram.ts b/src/statistiques/v2/sankey/sankeyDataToMermaidDiagram.ts
new file mode 100644
index 0000000..7a9fe08
--- /dev/null
+++ b/src/statistiques/v2/sankey/sankeyDataToMermaidDiagram.ts
@@ -0,0 +1,5 @@
+import { SankeyData } from "./SankeyData";
+
+eport function sankeyDataToMermaidDiagram(sankeyData: SankeyData) {
+    
+}
\ No newline at end of file
diff --git a/src/statistiques/v2/sociales/StatsSociales.ts b/src/statistiques/v2/sociales/StatsSociales.ts
index 80cace8..04ed465 100644
--- a/src/statistiques/v2/sociales/StatsSociales.ts
+++ b/src/statistiques/v2/sociales/StatsSociales.ts
@@ -1,4 +1,4 @@
-import { StatsType } from "../StatsDesc";
+import { StatsType } from "../desc/StatsDesc";
 
 export const statsSocialesDesc = {
   label: "Stats Sociales",