B3311331313231311331322331333132333133313223331211331333133313232233312131
>>
B331133131323131133132233133313233313331322333121133133313331323223331213
<<
B3311331313231311331322331333132333133313223331211331333133313232233312133
>>
B3311331313231311331322331333132333133313223331211331333133313232233312132
>>