B33113313132313113313223313331311331333132311331333133313232211311331
>>
B3311331313231311331322331333131133133313231133133313331323221131133
<<
B33113313132313113313223313331311331333132311331333133313232211311333
>>
B33113313132313113313223313331311331333132311331333133313232211311332
>>