B3311331313231311331322331333132313232233132313133313331323132313211
>>
B331133131323131133132233133313231323223313231313331333132313231321
<<
B3311331313231311331322331333132313232233132313133313331323132313213
>>
B3311331313231311331322331333132313232233132313133313331323132313212
>>