B3311331313231311331322331333132313331322121133133313331333133112111112322311
>>
B331133131323131133132233133313231333132212113313331333133313311211111232231
<<
B3311331313231311331322331333132313331322121133133313331333133112111112322313
>>
B3311331313231311331322331333132313331322121133133313331333133112111112322312
>>