C11111211113313112113313331333133313331312111133133313113121331123221
>>
C1111121111331311211331333133313331333131211113313331311312133112322
<<
C11111211113313112113313331333133313331312111133133313113121331123223
>>
C11111211113313112113313331333133313331312111133133313113121331123222
>>