B3311331313231311331322331333132313331322121133133313331333132313311213112131
>>
B331133131323131133132233133313231333132212113313331333133313231331121311213
<<
B3311331313231311331322331333132313331322121133133313331333132313311213112133
>>
B3311331313231311331322331333132313331322121133133313331333132313311213112132
>>