C111123313331323113313331333133313331323131211113313121111112131121
>>
C11112331333132311331333133313331333132313121111331312111111213112
<<
C111123313331323113313331333133313331323131211113313121111112131123
>>
C111123313331323113313331333133313331323131211113313121111112131122
>>