C312312111111331312111133133313121111113313121111121111331323221121221
>>
C31231211111133131211113313331312111111331312111112111133132322112122
<<
C312312111111331312111133133313121111113313121111121111331323221121223
>>
C312312111111331312111133133313121111113313121111121111331323221121222
>>