B3311331313231311331322331333132313231323331333131121133132313232212322231
>>
B331133131323131133132233133313231323132333133313112113313231323221232223
<<
B3311331313231311331322331333132313231323331333131121133132313232212322233
>>
B3311331313231311331322331333132313231323331333131121133132313232212322232
>>