C111123313121111121111331333133313331323132333132313232233132311332311   >>    C11112331312111112111133133313331333132313233313231323223313231133231   <<    C111123313121111121111331333133313331323132333132313232233132311332313   >>      C111123313121111121111331333133313331323132333132313232233132311332312   >>