C111123313121111121111331333133313331313331323121111112211232331
>>
C11112331312111112111133133313331333131333132312111111221123233
<<
C111123313121111121111331333133313331313331323121111112211232333
>>
C111123313121111121111331333133313331313331323121111112211232332
>>