B33113313132313113313223313331311331333131113331333133313232233132321311
>>
B3311331313231311331322331333131133133313111333133313331323223313232131
<<
B33113313132313113313223313331311331333131113331333133313232233132321313
>>
B33113313132313113313223313331311331333131113331333133313232233132321312
>>