B3311331313231311331322331333132313231323331333131123313331323131112121
>>
B331133131323131133132233133313231323132333133313112331333132313111212
<<
B3311331313231311331322331333132313231323331333131123313331323131112123
>>
B3311331313231311331322331333132313231323331333131123313331323131112122
>>