B3311331313231311331322331333132313231323331333131123313331323123133231
>>
B331133131323131133132233133313231323132333133313112331333132312313323
<<
B3311331313231311331322331333132313231323331333131123313331323123133233
>>
B3311331313231311331322331333132313231323331333131123313331323123133232
>>