B33113313132313113313223313331311331333131113331333132313231322131
>>
B3311331313231311331322331333131133133313111333133313231323132213
<<
B33113313132313113313223313331311331333131113331333132313231322133
>>
B33113313132313113313223313331311331333131113331333132313231322132
>>