C132233133112121111331333133313331333132322331333133112213123311   >>    C13223313311212111133133313331333133313232233133313311221312331   <<    C132233133112121111331333133313331333132322331333133112213123313   >>      C132233133112121111331333133313331333132322331333133112213123312   >>