B3311331313231311331322331333132313231323331333131123313231323131133132313321
>>
B331133131323131133132233133313231323132333133313112331323132313113313231332
<<
B3311331313231311331322331333132313231323331333131123313231323131133132313323
>>
B3311331313231311331322331333132313231323331333131123313231323131133132313322
>>