C31231211113313121211113313331323133313331333132321333112331121   >>    C3123121111331312121111331333132313331333133313232133311233112   <<    C31231211113313121211113313331323133313331333132321333112331123   >>      C31231211113313121211113313331323133313331333132321333112331122   >>