B3311331313231311331322331333131133133313231133133313113313133313232213223331
>>
B331133131323131133132233133313113313331323113313331311331313331323221322333
<<
B3311331313231311331322331333131133133313231133133313113313133313232213223333
>>
B3311331313231311331322331333131133133313231133133313113313133313232213223332
>>