B3311331313231311331322331333132333133313223331211331333133313231323113131
>>
B331133131323131133132233133313233313331322333121133133313331323132311313
<<
B3311331313231311331322331333132333133313223331211331333133313231323113133
>>
B3311331313231311331322331333132333133313223331211331333133313231323113132
>>