C312312111133131121333133313113313331333133313331333133313331333132211323131   >>    C31231211113313112133313331311331333133313331333133313331333133313221132313   <<    C312312111133131121333133313113313331333133313331333133313331333132211323133   >>      C312312111133131121333133313113313331333133313331333133313331333132211323132   >>