B331133131323131133132233133313231323133313331331121111331211113313222112331
>>
B33113313132313113313223313331323132313331333133112111133121111331322211233
<<
B331133131323131133132233133313231323133313331331121111331211113313222112333
>>
B331133131323131133132233133313231323133313331331121111331211113313222112332
>>