B3311331313231311331322331333132313231323331333131333133313112113313132231
>>
B331133131323131133132233133313231323132333133313133313331311211331313223
<<
B3311331313231311331322331333132313231323331333131333133313112113313132233
>>
B3311331313231311331322331333132313231323331333131333133313112113313132232
>>