B331133131323131133132233133313231323133313331331121111331212111133132212113121
>>
B33113313132313113313223313331323132313331333133112111133121211113313221211312
<<
B331133131323131133132233133313231323133313331331121111331212111133132212113123
>>
B331133131323131133132233133313231323133313331331121111331212111133132212113122
>>