B3311331313231311331322331333132313331322121133133313331333132332132323321
>>
B331133131323131133132233133313231333132212113313331333133313233213232332
<<
B3311331313231311331322331333132313331322121133133313331333132332132323323
>>
B3311331313231311331322331333132313331322121133133313331333132332132323322
>>