C312312111133131212111133133313231333133313331333133311212111113331323322311   >>    C31231211113313121211113313331323133313331333133313331121211111333132332231   <<    C312312111133131212111133133313231333133313331333133311212111113331323322313   >>      C312312111133131212111133133313231333133313331333133311212111113331323322312   >>