B33113313132313113313223313331323132313233313331311233133313232121211
>>
B3311331313231311331322331333132313231323331333131123313331323212121
<<
B33113313132313113313223313331323132313233313331311233133313232121213
>>
B33113313132313113313223313331323132313233313331311233133313232121212
>>