B3311331313231311331322331333132333133313223331211331333133313231333312131
>>
B331133131323131133132233133313233313331322333121133133313331323133331213
<<
B3311331313231311331322331333132333133313223331211331333133313231333312133
>>
B3311331313231311331322331333132333133313223331211331333133313231333312132
>>