C111113331333132322331333133313331323133313233213133313331211331211
>>
C11111333133313232233133313331333132313331323321313331333121133121
<<
C111113331333132322331333133313331323133313233213133313331211331213
>>
C111113331333132322331333133313331323133313233213133313331211331212
>>