C312312111111331312111133133313331333133313232233132313331313331   >>    C31231211111133131211113313331333133313331323223313231333131333   <<    C312312111111331312111133133313331333133313232233132313331313333   >>      C312312111111331312111133133313331333133313232233132313331313332   >>