C111123313121111121111331333133313331333133313331333133313331333211321131   >>    C11112331312111112111133133313331333133313331333133313331333133321132113   <<    C111123313121111121111331333133313331333133313331333133313331333211321133   >>      C111123313121111121111331333133313331333133313331333133313331333211321132   >>