B33113313132313113313223313331323132313233313331312111133133312233111
>>
B3311331313231311331322331333132313231323331333131211113313331223311
<<
B33113313132313113313223313331323132313233313331312111133133312233113
>>
B33113313132313113313223313331323132313233313331312111133133312233112
>>