B3311331313231311331322331333132313331322331323133313331313331211111133132231
>>
B331133131323131133132233133313231333132233132313331333131333121111113313223
<<
B3311331313231311331322331333132313331322331323133313331313331211111133132233
>>
B3311331313231311331322331333132313331322331323133313331313331211111133132232
>>