C31231211111133131211113313331333132233133313331333132333131333131321   >>    C3123121111113313121111331333133313223313331333133313233313133313132   <<    C31231211111133131211113313331333132233133313331333132333131333131323   >>      C31231211111133131211113313331333132233133313331333132333131333131322   >>