B3311331313231311331322331333132313231323331333131123313231323221232313111
>>
B331133131323131133132233133313231323132333133313112331323132322123231311
<<
B3311331313231311331322331333132313231323331333131123313231323221232313113
>>
B3311331313231311331322331333132313231323331333131123313231323221232313112
>>