B33113313132313113313223313331311331333131113331333133313233331212111
>>
B3311331313231311331322331333131133133313111333133313331323333121211
<<
B33113313132313113313223313331311331333131113331333133313233331212113
>>
B33113313132313113313223313331311331333131113331333133313233331212112
>>