B3311331313231311331322331333131323132313133313331333132313232223131121
>>
B331133131323131133132233133313132313231313331333133313231323222313112
<<
B3311331313231311331322331333131323132313133313331333132313232223131123
>>
B3311331313231311331322331333131323132313133313331333132313232223131122
>>