B3311331313231311331322331333132313331322121133133313331333132313221312321
>>
B331133131323131133132233133313231333132212113313331333133313231322131232
<<
B3311331313231311331322331333132313331322121133133313331333132313221312323
>>
B3311331313231311331322331333132313331322121133133313331333132313221312322
>>