B3311331313231311331322331333132333132313133112323331323132313231323221111
>>
B331133131323131133132233133313233313231313311232333132313231323132322111
<<
B3311331313231311331322331333132333132313133112323331323132313231323221113
>>
B3311331313231311331322331333132333132313133112323331323132313231323221112
>>