C312322331333132212111133133313331333133312121111121111133313123121
>>
C31232233133313221211113313331333133313331212111112111113331312312
<<
C312322331333132212111133133313331333133312121111121111133313123123
>>
C312322331333132212111133133313331333133312121111121111133313123122
>>