B3311331313231311331322331333132313231323132313133313231333132322223311211
>>
B331133131323131133132233133313231323132313231313331323133313232222331121
<<
B3311331313231311331322331333132313231323132313133313231333132322223311213
>>
B3311331313231311331322331333132313231323132313133313231333132322223311212
>>