B3311331313231311331322331333132333131323132313231333133313232221123131
>>
B331133131323131133132233133313233313132313231323133313331323222112313
<<
B3311331313231311331322331333132333131323132313231333133313232221123133
>>
B3311331313231311331322331333132333131323132313231333133313232221123132
>>