B3311331313231311331322331333132313331322121133133313331333133313221322123221
>>
B331133131323131133132233133313231333132212113313331333133313331322132212322
<<
B3311331313231311331322331333132313331322121133133313331333133313221322123223
>>
B3311331313231311331322331333132313331322121133133313331333133313221322123222
>>