B3311331313231311331322331333131133133313111333133313331323113313123231311331
>>
B331133131323131133132233133313113313331311133313331333132311331312323131133
<<
B3311331313231311331322331333131133133313111333133313331323113313123231311333
>>
B3311331313231311331322331333131133133313111333133313331323113313123231311332
>>