C111123313121111121111331333133313331333131233133313113313232313231211
>>
C11112331312111112111133133313331333133313123313331311331323231323121
<<
C111123313121111121111331333133313331333131233133313113313232313231213
>>
C111123313121111121111331333133313331333131233133313113313232313231212
>>