C111123313121111121111331333133313331333133313331333133313331311111333131   >>    C11112331312111112111133133313331333133313331333133313331333131111133313   <<    C111123313121111121111331333133313331333133313331333133313331311111333133   >>      C111123313121111121111331333133313331333133313331333133313331311111333132   >>