B3311331313231311331322331333132313231323331333131123313331323133313333211331
>>
B331133131323131133132233133313231323132333133313112331333132313331333321133
<<
B3311331313231311331322331333132313231323331333131123313331323133313333211333
>>
B3311331313231311331322331333132313231323331333131123313331323133313333211332
>>