C3132121111133313233121111331333133313331333133313331333132333133313232313311   >>    C313212111113331323312111133133313331333133313331333133313233313331323231331   <<    C3132121111133313233121111331333133313331333133313331333132333133313232313313   >>      C3132121111133313233121111331333133313331333133313331333132333133313232313312   >>