B3311331313231311331322331333131133133313231211331333132313231321123233311
>>
B331133131323131133132233133313113313331323121133133313231323132112323331
<<
B3311331313231311331322331333131133133313231211331333132313231321123233313
>>
B3311331313231311331322331333131133133313231211331333132313231321123233312
>>