C111123313331323113313331333133313331323123231333132313231312121
>>
C11112331333132311331333133313331333132312323133313231323131212
<<
C111123313331323113313331333133313331323123231333132313231312123
>>
C111123313331323113313331333133313331323123231333132313231312122
>>