C111123313331323113313331333133313331323131211113313121111131323131
>>
C11112331333132311331333133313331333132313121111331312111113132313
<<
C111123313331323113313331333133313331323131211113313121111131323133
>>
C111123313331323113313331333133313331323131211113313121111131323132
>>