C3132121111133313233121111331333133313331333133313331333133122311   >>    C313212111113331323312111133133313331333133313331333133313312231   <<    C3132121111133313233121111331333133313331333133313331333133122313   >>      C3132121111133313233121111331333133313331333133313331333133122312   >>