C31231211113313121211113313331333132233132322331323133313231333131321   >>    C3123121111331312121111331333133313223313232233132313331323133313132   <<    C31231211113313121211113313331333132233132322331323133313231333131323   >>      C31231211113313121211113313331333132233132322331323133313231333131322   >>