B331133131323131133132233133313231333112113121111121111331333133313122132311
>>
B33113313132313113313223313331323133311211312111112111133133313331312213231
<<
B331133131323131133132233133313231333112113121111121111331333133313122132313
>>
B331133131323131133132233133313231333112113121111121111331333133313122132312
>>