C3132121111133313233121111331333133313331333133313331333132332322311   >>    C313212111113331323312111133133313331333133313331333133313233232231   <<    C3132121111133313233121111331333133313331333133313331333132332322313   >>      C3132121111133313233121111331333133313331333133313331333132332322312   >>