B3311331313231311331322331333132313331322121133133313331333133313223331222321
>>
B331133131323131133132233133313231333132212113313331333133313331322333122232
<<
B3311331313231311331322331333132313331322121133133313331333133313223331222323
>>
B3311331313231311331322331333132313331322121133133313331333133313223331222322
>>