C313212111113331323312111133133313331333133312121111331313311331211
>>
C31321211111333132331211113313331333133313331212111133131331133121
<<
C313212111113331323312111133133313331333133312121111331313311331213
>>
C313212111113331323312111133133313331333133312121111331313311331212
>>