B3311331313231311331322331333132313231323132313133313232233132313221211331
>>
B331133131323131133132233133313231323132313231313331323223313231322121133
<<
B3311331313231311331322331333132313231323132313133313232233132313221211333
>>
B3311331313231311331322331333132313231323132313133313232233132313221211332
>>