C132233133112121111331333133313331312121111133313331323123232212311   >>    C13223313311212111133133313331333131212111113331333132312323221231   <<    C132233133112121111331333133313331312121111133313331323123232212313   >>      C132233133112121111331333133313331312121111133313331323123232212312   >>