B33113313132313113313223313331323132313233313331312111133133313232331111
>>
B3311331313231311331322331333132313231323331333131211113313331323233111
<<
B33113313132313113313223313331323132313233313331312111133133313232331113
>>
B33113313132313113313223313331323132313233313331312111133133313232331112
>>