C3132121111133313233121111331333133313331333133313331333133313331333121121211   >>    C313212111113331323312111133133313331333133313331333133313331333133312112121   <<    C3132121111133313233121111331333133313331333133313331333133313331333121121213   >>      C3132121111133313233121111331333133313331333133313331333133313331333121121212   >>