Start with default generated template

templates/content-edit/node-edit-form.html.twig

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+{#
+/**
+ * @file
+ * Theme override for a node edit form.
+ *
+ * Two column template for the node add/edit form.
+ *
+ * This template will be used when a node edit form specifies 'node_edit_form'
+ * as its #theme callback.  Otherwise, by default, node add/edit forms will be
+ * themed by form.html.twig.
+ *
+ * Available variables:
+ * - form: The node add/edit form.
+ */
+#}
+<div class="layout-node-form clearfix">
+  <div class="layout-region layout-region-node-main">
+    {{ form|without('advanced', 'actions') }}
+  </div>
+  <div class="layout-region layout-region-node-secondary">
+    {{ form.advanced }}
+  </div>
+  <div class="layout-region layout-region-node-footer">
+    {{ form.actions }}
+  </div>
+</div>