C312312111133131212111133133313331333133112113313331331123131211
>>
C31231211113313121211113313331333133313311211331333133112313121
<<
C312312111133131212111133133313331333133112113313331331123131213
>>
C312312111133131212111133133313331333133112113313331331123131212
>>