B33113313132313113313223313331323331313231323132313331333132333132212231
>>
B3311331313231311331322331333132333131323132313231333133313233313221223
<<
B33113313132313113313223313331323331313231323132313331333132333132212233
>>
B33113313132313113313223313331323331313231323132313331333132333132212232
>>