C111123313331323113313331323133313331311331311331333133322121211
>>
C11112331333132311331333132313331333131133131133133313332212121
<<
C111123313331323113313331323133313331311331311331333133322121213
>>
C111123313331323113313331323133313331311331311331333133322121212
>>