C31231211111133131211113313331333132233131211111211113313221311131   >>    C3123121111113313121111331333133313223313121111121111331322131113   <<    C31231211111133131211113313331333132233131211111211113313221311133   >>      C31231211111133131211113313331333132233131211111211113313221311132   >>