B3311331313231311331322331333132313232233132313133313331323131111211311
>>
B331133131323131133132233133313231323223313231313331333132313111121131
<<
B3311331313231311331322331333132313232233132313133313331323131111211313
>>
B3311331313231311331322331333132313232233132313133313331323131111211312
>>