C111123313121111121111331333133313331333133313331333133313331312321131   >>    C11112331312111112111133133313331333133313331333133313331333131232113   <<    C111123313121111121111331333133313331333133313331333133313331312321133   >>      C111123313121111121111331333133313331333133313331333133313331312321132   >>