B33113313132313113313223313331311331333131113331333133313123232211
>>
B3311331313231311331322331333131133133313111333133313331312323221
<<
B33113313132313113313223313331311331333131113331333133313123232213
>>
B33113313132313113313223313331311331333131113331333133313123232212
>>