C111123313331323113313331333133313331323123231333133313132322121
>>
C11112331333132311331333133313331333132312323133313331313232212
<<
C111123313331323113313331333133313331323123231333133313132322123
>>
C111123313331323113313331333133313331323123231333133313132322122
>>