B33113313132313113313223313331323132313233313331311233133313232213131
>>
B3311331313231311331322331333132313231323331333131123313331323221313
<<
B33113313132313113313223313331323132313233313331311233133313232213133
>>
B33113313132313113313223313331323132313233313331311233133313232213132
>>