C111123313331323113313331333133313331323131211113313331312323131211
>>
C11112331333132311331333133313331333132313121111331333131232313121
<<
C111123313331323113313331333133313331323131211113313331312323131213
>>
C111123313331323113313331333133313331323131211113313331312323131212
>>