B3311331313231311331322331333131133132313131133133313232233132313132311331
>>
B331133131323131133132233133313113313231313113313331323223313231313231133
<<
B3311331313231311331322331333131133132313131133133313232233132313132311333
>>
B3311331313231311331322331333131133132313131133133313232233132313132311332
>>