B3311331313231311331322331333132313231323331333131133132322132313331311331
>>
B331133131323131133132233133313231323132333133313113313232213231333131133
<<
B3311331313231311331322331333132313231323331333131133132322132313331311333
>>
B3311331313231311331322331333132313231323331333131133132322132313331311332
>>