B3311331313231311331322331333132313231323132313133313232233132322231121
>>
B331133131323131133132233133313231323132313231313331323223313232223112
<<
B3311331313231311331322331333132313231323132313133313232233132322231123
>>
B3311331313231311331322331333132313231323132313133313232233132322231122
>>