C312312111133131212111133133313231333133313331331123121111133313123221
>>
C31231211113313121211113313331323133313331333133112312111113331312322
<<
C312312111133131212111133133313231333133313331331123121111133313123223
>>
C312312111133131212111133133313231333133313331331123121111133313123222
>>