B33113313132313113313223313331323132313233313331312111133133313232131123331
>>
B3311331313231311331322331333132313231323331333131211113313331323213112333
<<
B33113313132313113313223313331323132313233313331312111133133313232131123333
>>
B33113313132313113313223313331323132313233313331312111133133313232131123332
>>