C31231211111133131211113313331333133312111112113313331322332233231   >>    C3123121111113313121111331333133313331211111211331333132233223323   <<    C31231211111133131211113313331333133312111112113313331322332233233   >>      C31231211111133131211113313331333133312111112113313331322332233232   >>