C111113331333132322331333133313331311331323133112213231311211311
>>
C11111333133313232233133313331333131133132313311221323131121131
<<
C111113331333132322331333133313331311331323133112213231311211313
>>
C111113331333132322331333133313331311331323133112213231311211312
>>