B3311331313231311331322331333132313231333131323223313133313332212131
>>
B331133131323131133132233133313231323133313132322331313331333221213
<<
B3311331313231311331322331333132313231333131323223313133313332212133
>>
B3311331313231311331322331333132313231333131323223313133313332212132
>>