B3311331313231311331322331333132313231333131323223313133313331323132211311
>>
B331133131323131133132233133313231323133313132322331313331333132313221131
<<
B3311331313231311331322331333132313231333131323223313133313331323132211313
>>
B3311331313231311331322331333132313231333131323223313133313331323132211312
>>