C11112331312111112111133133313331333133313331312111111331333133313232123232211
>>
C1111233131211111211113313331333133313331333131211111133133313331323212323221
<<
C11112331312111112111133133313331333133313331312111111331333133313232123232213
>>
C11112331312111112111133133313331333133313331312111111331333133313232123232212
>>