C111123313121111121111331333133313331323132333133313121111331121322321331   >>    C11112331312111112111133133313331333132313233313331312111133112132232133   <<    C111123313121111121111331333133313331323132333133313121111331121322321333   >>      C111123313121111121111331333133313331323132333133313121111331121322321332   >>