C1311213331333132332133313331333133313121111331333133313331333133311211112121
>>
C131121333133313233213331333133313331312111133133313331333133313331121111212
<<
C1311213331333132332133313331333133313121111331333133313331333133311211112123
>>
C1311213331333132332133313331333133313121111331333133313331333133311211112122
>>