B3311331313231311331322331333132313231323132313133313231333132322123232233131
>>
B331133131323131133132233133313231323132313231313331323133313232212323223313
<<
B3311331313231311331322331333132313231323132313133313231333132322123232233133
>>
B3311331313231311331322331333132313231323132313133313231333132322123232233132
>>