C3132121111133313233121111331333133313331333133313331333133313331333121213111   >>    C313212111113331323312111133133313331333133313331333133313331333133312121311   <<    C3132121111133313233121111331333133313331333133313331333133313331333121213113   >>      C3132121111133313233121111331333133313331333133313331333133313331333121213112   >>