C111123313331323113313331333133313331323123231333133313232131211
>>
C11112331333132311331333133313331333132312323133313331323213121
<<
C111123313331323113313331333133313331323123231333133313232131213
>>
C111123313331323113313331333133313331323123231333133313232131212
>>