C111123313331323113313331333133313121111133112121111331323222111
>>
C11112331333132311331333133313331312111113311212111133132322211
<<
C111123313331323113313331333133313121111133112121111331323222113
>>
C111123313331323113313331333133313121111133112121111331323222112
>>