C312312111133131121333133313113313331333133313331331121111331333132313222332321   >>    C31231211113313112133313331311331333133313331333133112111133133313231322233232   <<    C312312111133131121333133313113313331333133313331331121111331333132313222332323   >>      C312312111133131121333133313113313331333133313331331121111331333132313222332322   >>