C312312111133131121333133313113313331333133313331333133313331333132313113323311   >>    C31231211113313112133313331311331333133313331333133313331333133313231311332331   <<    C312312111133131121333133313113313331333133313331333133313331333132313113323313   >>      C312312111133131121333133313113313331333133313331333133313331333132313113323312   >>