C312312111111331312111133133313121111133313113313231333133313331313211221
>>
C31231211111133131211113313331312111113331311331323133313331333131321122
<<
C312312111111331312111133133313121111133313113313231333133313331313211223
>>
C312312111111331312111133133313121111133313113313231333133313331313211222
>>