C3123121111113313121111331333133313331333223313231333133313221211211
>>
C312312111111331312111133133313331333133322331323133313331322121121
<<
C3123121111113313121111331333133313331333223313231333133313221211213
>>
C3123121111113313121111331333133313331333223313231333133313221211212
>>