B33113313132313113313223313331323133313223313231333133313233211113313331211
>>
B3311331313231311331322331333132313331322331323133313331323321111331333121
<<
B33113313132313113313223313331323133313223313231333133313233211113313331213
>>
B33113313132313113313223313331323133313223313231333133313233211113313331212
>>