C1111133313331323223313331333133313331323131211113313113313232232232123121
>>
C111113331333132322331333133313331333132313121111331311331323223223212312
<<
C1111133313331323223313331333133313331323131211113313113313232232232123123
>>
C1111133313331323223313331333133313331323131211113313113313232232232123122
>>