C111123313121111121111331333133313331333131322113121111113112323221
>>
C11112331312111112111133133313331333133313132211312111111311232322
<<
C111123313121111121111331333133313331333131322113121111113112323223
>>
C111123313121111121111331333133313331333131322113121111113112323222
>>