B3311331313231311331322331333131323132313133313331333132313231311
>>
B331133131323131133132233133313132313231313331333133313231323131
<<
B3311331313231311331322331333131323132313133313331333132313231313
>>
B3311331313231311331322331333131323132313133313331333132313231312
>>