C11112331312111112111133133313331333132322121111331123311232321
>>
C1111233131211111211113313331333133313232212111133112331123232
<<
C11112331312111112111133133313331333132322121111331123311232323
>>
C11112331312111112111133133313331333132322121111331123311232322
>>