B3311331313231311331322331333132313231323331333131333133313231311331333132321
>>
B331133131323131133132233133313231323132333133313133313331323131133133313232
<<
B3311331313231311331322331333132313231323331333131333133313231311331333132323
>>
B3311331313231311331322331333132313231323331333131333133313231311331333132322
>>