B3311331313231311331322331333132313331323133313233313331311331333112211232221
>>
B331133131323131133132233133313231333132313331323331333131133133311221123222
<<
B3311331313231311331322331333132313331323133313233313331311331333112211232223
>>
B3311331313231311331322331333132313331323133313233313331311331333112211232222
>>