C31232233133313221211113313331333133313113311331333133312111311
>>
C3123223313331322121111331333133313331311331133133313331211131
<<
C31232233133313221211113313331333133313113311331333133312111313
>>
C31232233133313221211113313331333133313113311331333133312111312
>>