B33113313132313113313223313331323133313223313231333133313232331211
>>
B3311331313231311331322331333132313331322331323133313331323233121
<<
B33113313132313113313223313331323133313223313231333133313232331213
>>
B33113313132313113313223313331323133313223313231333133313232331212
>>