C312312111133131121333133313113313331333133313331323132322233311   >>    C31231211113313112133313331311331333133313331333132313232223331   <<    C312312111133131121333133313113313331333133313331323132322233313   >>      C312312111133131121333133313113313331333133313331323132322233312   >>