B3311331313231311331322331333132313231323331333131123313331321123231121
>>
B331133131323131133132233133313231323132333133313112331333132112323112
<<
B3311331313231311331322331333132313231323331333131123313331321123231123
>>
B3311331313231311331322331333132313231323331333131123313331321123231122
>>