B3311331313231311331322331333132313231323132313133313231333132322233231132311
>>
B331133131323131133132233133313231323132313231313331323133313232223323113231
<<
B3311331313231311331322331333132313231323132313133313231333132322233231132313
>>
B3311331313231311331322331333132313231323132313133313231333132322233231132312
>>