B33113313132313113313223313331323132313233313331311233133313123232222231
>>
B3311331313231311331322331333132313231323331333131123313331312323222223
<<
B33113313132313113313223313331323132313233313331311233133313123232222233
>>
B33113313132313113313223313331323132313233313331311233133313123232222232
>>