PhotoMosaic: add sixLandscapes layout, combining side and row

templates/PhotosIndex.php

@@ -137,6 +137,13 @@ class PhotosIndex extends Template
 		}
 	}
 
+	protected function sixLandscapes(array $photos, $altLayout)
+	{
+		$chunks = array_chunk($photos, 3);
+		$this->sideLandscape($chunks[0], $altLayout);
+		$this->threeLandscapes($chunks[1], $altLayout);
+	}
+
 	protected function sidePortrait(array $photos, $altLayout)
 	{
 		$image = array_shift($photos);