B3311331313231311331322331333132313231323331333131121133132313231323211311
>>
B331133131323131133132233133313231323132333133313112113313231323132321131
<<
B3311331313231311331322331333132313231323331333131121133132313231323211313
>>
B3311331313231311331322331333132313231323331333131121133132313231323211312
>>