C3132121111331312113313331333133313331333121111331333133313331333132323221211   >>    C313212111133131211331333133313331333133312111133133313331333133313232322121   <<    C3132121111331312113313331333133313331333121111331333133313331333132323221213   >>      C3132121111331312113313331333133313331333121111331333133313331333132323221212   >>