B3311331313231311331322331333132333131323132313231333131333132313231131311
>>
B331133131323131133132233133313233313132313231323133313133313231323113131
<<
B3311331313231311331322331333132333131323132313231333131333132313231131313
>>
B3311331313231311331322331333132333131323132313231333131333132313231131312
>>