C111123313121111121111331333133313331333131233133313113313331333132322131321
>>
C11112331312111112111133133313331333133313123313331311331333133313232213132
<<
C111123313121111121111331333133313331333131233133313113313331333132322131323
>>
C111123313121111121111331333133313331333131233133313113313331333132322131322
>>