B3311331313231311331322331333132313231333131323223313133313331323331121131
>>
B331133131323131133132233133313231323133313132322331313331333132333112113
<<
B3311331313231311331322331333132313231333131323223313133313331323331121133
>>
B3311331313231311331322331333132313231333131323223313133313331323331121132
>>