diff --git a/src/State/Building/BuildingCaseWeightsReportProvider.php b/src/State/Building/BuildingCaseWeightsReportProvider.php
index a7597ba..8c6df7a 100644
--- a/src/State/Building/BuildingCaseWeightsReportProvider.php
+++ b/src/State/Building/BuildingCaseWeightsReportProvider.php
@@ -91,6 +91,22 @@ final readonly class BuildingCaseWeightsReportProvider implements ProviderInterf
             ];
         }
 
+        usort($rows, static function (array $a, array $b): int {
+            $aw = (string) ($a['workNumber'] ?? '');
+            $bw = (string) ($b['workNumber'] ?? '');
+            if ('' === $aw && '' === $bw) {
+                return 0;
+            }
+            if ('' === $aw) {
+                return 1;
+            }
+            if ('' === $bw) {
+                return -1;
+            }
+
+            return (int) $aw <=> (int) $bw;
+        });
+
         $monthHeaders = $this->buildMonthHeaders($firstArrivalDate, $headerBreedCode);
 
         $dompdf = new Dompdf();
diff --git a/templates/case_weights_report.html.twig b/templates/case_weights_report.html.twig
index afe56bf..efe5bd4 100644
--- a/templates/case_weights_report.html.twig
+++ b/templates/case_weights_report.html.twig
@@ -253,30 +253,29 @@
     <table class="main">
         <thead>
         <tr>
-            <th rowspan="4" class="head-big" style="width:5%">N° de<br>travail</th>
-            <th rowspan="4" class="head-big" style="width:5%">N° de<br>travail</th>
-            <th rowspan="4" class="head-big head-big-weight" style="width:4%">Poids<br>(kg)</th>
-            <th rowspan="4" class="head-big" style="width:7%">Date de<br>naissance</th>
-
-            {% for month in monthHeaders|default([]) %}
+            {% for month in monthHeaders|default([])|reverse %}
                 <th class="month" style="width:6.58%">{{ month.name }}</th>
             {% endfor %}
+            <th rowspan="4" class="head-big" style="width:7%">Date de<br>naissance</th>
+            <th rowspan="4" class="head-big head-big-weight" style="width:4%">Poids<br>(kg)</th>
+            <th rowspan="4" class="head-big" style="width:5%">N° de<br>travail</th>
+            <th rowspan="4" class="head-big" style="width:5%">N° de<br>travail</th>
         </tr>
 
         <tr>
-            {% for month in monthHeaders|default([]) %}
+            {% for month in monthHeaders|default([])|reverse %}
                 <th class="days">{{ month.days }}</th>
             {% endfor %}
         </tr>
 
         <tr>
-            <th class="days">Foin</th>
-            <th class="days">Foin</th>
             <th colspan="{{ monthHeaders|length -2 }}" class="sub-title">POIDS PAR MOIS</th>
+            <th class="days">Foin</th>
+            <th class="days">Foin</th>
         </tr>
 
         <tr>
-            {% for month in monthHeaders|default([]) %}
+            {% for month in monthHeaders|default([])|reverse %}
                 <th class="base">
                     {% if month.baseValue is defined %}
                         {{ month.baseValue|round(0, 'common') }} kg
@@ -289,27 +288,28 @@
         </thead>
 
         <tbody>
-        {# 11 lignes comme dans ton code (0..10) #}
+        {# 13 lignes comme dans ton code (0..12) #}
         {% for i in 0..12 %}
             {% set row = rows[i] ?? null %}
             {% set baseWeight = row ? (row.receivedWeight ?? null) : null %}
 
             <tr class="data-row">
-                <td class="row-work"></td>
-                <td class="row-work">{{ row ? (row.workNumber ?? '') : '' }}</td>
-                <td class="row-weight">{{ baseWeight ?? '' }}</td>
+                {% for idx in 0..(monthCount > 0 ? monthCount - 1 : 0) %}
+                    {% set reversedIdx = (monthCount - 1) - idx %}
+                    {% set projectedWeight = row and row.projectedWeights is defined ? (row.projectedWeights[reversedIdx] ?? null) : null %}
+                    <td class="row-month"{% if reversedIdx < 4 %} style="background:#e0e0e0;"{% endif %}>
+                        {{ projectedWeight is not null ? projectedWeight|round(0, 'common') : '' }}
+                    </td>
+                {% endfor %}
                 <td class="row-birth">
                     {% if row and row.birthDate %}
                         {% set birthParts = row.birthDate|split('/') %}
                         {{ birthParts|length == 3 ? birthParts[1] ~ '/' ~ birthParts[2] : row.birthDate }}
                     {% endif %}
                 </td>
-                {% for idx in 0..(monthCount > 0 ? monthCount - 1 : 0) %}
-                    {% set projectedWeight = row and row.projectedWeights is defined ? (row.projectedWeights[idx] ?? null) : null %}
-                    <td class="row-month"{% if loop.index0 < 4 %} style="background:#e0e0e0;"{% endif %}>
-                        {{ projectedWeight is not null ? projectedWeight|round(0, 'common') : '' }}
-                    </td>
-                {% endfor %}
+                <td class="row-weight">{{ baseWeight ?? '' }}</td>
+                <td class="row-work">{{ row ? (row.workNumber ?? '') : '' }}</td>
+                <td class="row-work"></td>
             </tr>
         {% endfor %}
         </tbody>