B33113313132313113313223313331323133313223313231333133313331312113312131
>>
B3311331313231311331322331333132313331322331323133313331333131211331213
<<
B33113313132313113313223313331323133313223313231333133313331312113312133
>>
B33113313132313113313223313331323133313223313231333133313331312113312132
>>