C31232233133313221211113313331333132313331322121111333333131133133312133312121
>>
C3123223313331322121111331333133313231333132212111133333313113313331213331212
<<
C31232233133313221211113313331333132313331322121111333333131133133312133312123
>>
C31232233133313221211113313331333132313331322121111333333131133133312133312122
>>