C312312111133131212111133133313231333133313331333131323133313331333132233131231   >>    C31231211113313121211113313331323133313331333133313132313331333133313223313123   <<    C312312111133131212111133133313231333133313331333131323133313331333132233131233   >>      C312312111133131212111133133313231333133313331333131323133313331333132233131232   >>