C312312111133131121333133313113313331333133313331333133313331333132312323321   >>    C31231211113313112133313331311331333133313331333133313331333133313231232332   <<    C312312111133131121333133313113313331333133313331333133313331333132312323323   >>      C312312111133131121333133313113313331333133313331333133313331333132312323322   >>