B33113313132313113313223313331311331333132311331333133313232211331
>>
B3311331313231311331322331333131133133313231133133313331323221133
<<
B33113313132313113313223313331311331333132311331333133313232211333
>>
B33113313132313113313223313331311331333132311331333133313232211332
>>