C111123313121111121111331333133313231323132322331323223313232111211   >>    C11112331312111112111133133313331323132313232233132322331323211121   <<    C111123313121111121111331333133313231323132322331323223313232111213   >>      C111123313121111121111331333133313231323132322331323223313232111212   >>