first import

sites/all/modules/panels/plugins/layouts/twocol/twocol.inc

@@ -0,0 +1,14 @@
+<?php
+
+// Plugin definition
+$plugin = array(
+  'title' => t('Two column'),
+  'category' => t('Columns: 2'),
+  'icon' => 'twocol.png',
+  'theme' => 'panels_twocol',
+  'css' => 'twocol.css',
+  'regions' => array(
+    'left' => t('Left side'),
+    'right' => t('Right side')
+  ),
+);