B3311331313231311331322331333132313331323131323223313133313133313111111
>>
B331133131323131133132233133313231333132313132322331313331313331311111
<<
B3311331313231311331322331333132313331323131323223313133313133313111113
>>
B3311331313231311331322331333132313331323131323223313133313133313111112
>>