B3311331313231311331322331333132313231323331333131121133132333112323321
>>
B331133131323131133132233133313231323132333133313112113313233311232332
<<
B3311331313231311331322331333132313231323331333131121133132333112323323
>>
B3311331313231311331322331333132313231323331333131121133132333112323322
>>