B3311331313231311331322331333131133133313111333133313331323331323221131132311
>>
B331133131323131133132233133313113313331311133313331333132333132322113113231
<<
B3311331313231311331322331333131133133313111333133313331323331323221131132313
>>
B3311331313231311331322331333131133133313111333133313331323331323221131132312
>>