B3311331313231311331322331333132313331121131211111211113313331333133112131131
>>
B331133131323131133132233133313231333112113121111121111331333133313311213113
<<
B3311331313231311331322331333132313331121131211111211113313331333133112131133
>>
B3311331313231311331322331333132313331121131211111211113313331333133112131132
>>