B3311331313231311331322331333132313231323331333131123313331323132212322221
>>
B331133131323131133132233133313231323132333133313112331333132313221232222
<<
B3311331313231311331322331333132313231323331333131123313331323132212322223
>>
B3311331313231311331322331333132313231323331333131123313331323132212322222
>>