B3311331313231311331322331333132313331323131323223313331323132313221322131
>>
B331133131323131133132233133313231333132313132322331333132313231322132213
<<
B3311331313231311331322331333132313331323131323223313331323132313221322133
>>
B3311331313231311331322331333132313331323131323223313331323132313221322132
>>