B331133131323131133132233133313231333112113121111121111331323133313233232213121
>>
B33113313132313113313223313331323133311211312111112111133132313331323323221312
<<
B331133131323131133132233133313231333112113121111121111331323133313233232213123
>>
B331133131323131133132233133313231333112113121111121111331323133313233232213122
>>