B3311331313231311331322331333132313232233132313133313331311331311332332311
>>
B331133131323131133132233133313231323223313231313331333131133131133233231
<<
B3311331313231311331322331333132313232233132313133313331311331311332332313
>>
B3311331313231311331322331333132313232233132313133313331311331311332332312
>>