B33113313132313113313223313331311331333131113331333133313221322121
>>
B3311331313231311331322331333131133133313111333133313331322132212
<<
B33113313132313113313223313331311331333131113331333133313221322123
>>
B33113313132313113313223313331311331333131113331333133313221322122
>>