C312312111133131121333133313113313331333133313331331121111331333132312323221   >>    C31231211113313112133313331311331333133313331333133112111133133313231232322   <<    C312312111133131121333133313113313331333133313331331121111331333132312323223   >>      C312312111133131121333133313113313331333133313331331121111331333132312323222   >>