B3311331313231311331322331333132313132313331323223313133313133313231333111
>>
B331133131323131133132233133313231313231333132322331313331313331323133311
<<
B3311331313231311331322331333132313132313331323223313133313133313231333113
>>
B3311331313231311331322331333132313132313331323223313133313133313231333112
>>