B3311331313231311331322331333132313231323331333131123313331323221211233321
>>
B331133131323131133132233133313231323132333133313112331333132322121123332
<<
B3311331313231311331322331333132313231323331333131123313331323221211233323
>>
B3311331313231311331322331333132313231323331333131123313331323221211233322
>>