B3311331313231311331322331333132313231323331333131333133313231231211111211
>>
B331133131323131133132233133313231323132333133313133313331323123121111121
<<
B3311331313231311331322331333132313231323331333131333133313231231211111213
>>
B3311331313231311331322331333132313231323331333131333133313231231211111212
>>