B3311331313231311331322331333132313331322331323133313331331123232113131
>>
B331133131323131133132233133313231333132233132313331333133112323211313
<<
B3311331313231311331322331333132313331322331323133313331331123232113133
>>
B3311331313231311331322331333132313331322331323133313331331123232113132
>>