diff --git a/cross/cross_class.php b/cross/cross_class.php
index e1fb65e..5c968db 100755
--- a/cross/cross_class.php
+++ b/cross/cross_class.php
@@ -67,6 +67,8 @@ class Cross
 		}
 		
 		$N20 = $maxlen;
+		if( $N20 < 15)
+		    $N20 = 15;
 
 		$this->m_N20min = round( $N20 - $N20/4);
 		$this->m_N20max = round( $N20 + $N20/4);
diff --git a/version.php b/version.php
index 57db10e..b01010a 100755
--- a/version.php
+++ b/version.php
@@ -11,7 +11,7 @@
 defined('MOODLE_INTERNAL') || die();
 
 $module->component = 'mod_game';  // Full name of the plugin (used for diagnostics)
-$module->version   = 2013012601;  // The current module version (Date: YYYYMMDDXX)
+$module->version   = 2013012701;  // The current module version (Date: YYYYMMDDXX)
 $module->requires  = 2010112400;  // Requires Moodle 2.0
 $module->cron      = 0;           // Period for cron to check this module (secs)
-$module->release   = 'v.2.13.26 (2013012601)';
+$module->release   = 'v.2.13.27 (2013012701)';