C3123121111331312121111331333133313331333121333132313331313331323212121   >>    C312312111133131212111133133313331333133312133313231333131333132321212   <<    C3123121111331312121111331333133313331333121333132313331313331323212123   >>      C3123121111331312121111331333133313331333121333132313331313331323212122   >>