B33113313132313113313223313331323133313233313121111331323133313331333232211311
>>
B3311331313231311331322331333132313331323331312111133132313331333133323221131
<<
B33113313132313113313223313331323133313233313121111331323133313331333232211313
>>
B33113313132313113313223313331323133313233313121111331323133313331333232211312
>>