B33113313132313113313223313331311331333131113331333133313221121111
>>
B3311331313231311331322331333131133133313111333133313331322112111
<<
B33113313132313113313223313331311331333131113331333133313221121113
>>
B33113313132313113313223313331311331333131113331333133313221121112
>>