B3311331313231311331322331333132313331323131323223313231333132323213121
>>
B331133131323131133132233133313231333132313132322331323133313232321312
<<
B3311331313231311331322331333132313331323131323223313231333132323213123
>>
B3311331313231311331322331333132313331323131323223313231333132323213122
>>