C11112331312111112111133133313331333132322121111331333133321123131211
>>
C1111233131211111211113313331333133313232212111133133313332112313121
<<
C11112331312111112111133133313331333132322121111331333133321123131213
>>
C11112331312111112111133133313331333132322121111331333133321123131212
>>