C312312111133131121333133313113313331333133313331331121111331333132331123221   >>    C31231211113313112133313331311331333133313331333133112111133133313233112322   <<    C312312111133131121333133313113313331333133313331331121111331333132331123223   >>      C312312111133131121333133313113313331333133313331331121111331333132331123222   >>