C3123121111113313121111331333133313311211113313331333132233132331111   >>    C312312111111331312111133133313331331121111331333133313223313233111   <<    C3123121111113313121111331333133313311211113313331333132233132331113   >>      C3123121111113313121111331333133313311211113313331333132233132331112   >>