B33113313132313113313223313331311331333131113331333133313233313232211212111
>>
B3311331313231311331322331333131133133313111333133313331323331323221121211
<<
B33113313132313113313223313331311331333131113331333133313233313232211212113
>>
B33113313132313113313223313331311331333131113331333133313233313232211212112
>>