B3311331313231311331322331333132313132313331323223313231333132323133311211
>>
B331133131323131133132233133313231313231333132322331323133313232313331121
<<
B3311331313231311331322331333132313132313331323223313231333132323133311213
>>
B3311331313231311331322331333132313132313331323223313231333132323133311212
>>