B33113313132313113313223313331323331333132313321133133313331333232212321
>>
B3311331313231311331322331333132333133313231332113313331333133323221232
<<
B33113313132313113313223313331323331333132313321133133313331333232212323
>>
B33113313132313113313223313331323331333132313321133133313331333232212322
>>