C31232233133313221211113313331333133313113311331333133313331313123311
>>
C3123223313331322121111331333133313331311331133133313331333131312331
<<
C31232233133313221211113313331333133313113311331333133313331313123313
>>
C31232233133313221211113313331333133313113311331333133313331313123312
>>