B3311331313231311331322331333132313331322121133133313331333133112111112311311
>>
B331133131323131133132233133313231333132212113313331333133313311211111231131
<<
B3311331313231311331322331333132313331322121133133313331333133112111112311313
>>
B3311331313231311331322331333132313331322121133133313331333133112111112311312
>>