B33113313132313113313223313331311331323331323331333132233132313331212231
>>
B3311331313231311331322331333131133132333132333133313223313231333121223
<<
B33113313132313113313223313331311331323331323331333132233132313331212233
>>
B33113313132313113313223313331311331323331323331333132233132313331212232
>>