C3132121111331312113313331333133313332313223313331333132213113311   >>    C313212111133131211331333133313331333231322331333133313221311331   <<    C3132121111331312113313331333133313332313223313331333132213113313   >>      C3132121111331312113313331333133313332313223313331333132213113312   >>