C11112331312111112111133133313331333133311222121111133311233211
>>
C1111233131211111211113313331333133313331122212111113331123321
<<
C11112331312111112111133133313331333133311222121111133311233213
>>
C11112331312111112111133133313331333133311222121111133311233212
>>