C31231211113313121211113313331323133313331333133313331121133132322233231   >>    C3123121111331312121111331333132313331333133313331333112113313232223323   <<    C31231211113313121211113313331323133313331333133313331121133132322233233   >>      C31231211113313121211113313331323133313331333133313331121133132322233232   >>