B3311331313231311331322331333131133133313231133133313231333131211231
>>
B331133131323131133132233133313113313331323113313331323133313121123
<<
B3311331313231311331322331333131133133313231133133313231333131211233
>>
B3311331313231311331322331333131133133313231133133313231333131211232
>>