B3311331313231311331322331333132333133313223331211331333133313231323123222321
>>
B331133131323131133132233133313233313331322333121133133313331323132312322232
<<
B3311331313231311331322331333132333133313223331211331333133313231323123222323
>>
B3311331313231311331322331333132333133313223331211331333133313231323123222322
>>