C11112331312111112111133133313331333133311222121111121111121111331211211
>>
C1111233131211111211113313331333133313331122212111112111112111133121121
<<
C11112331312111112111133133313331333133311222121111121111121111331211213
>>
C11112331312111112111133133313331333133311222121111121111121111331211212
>>