B331133131323131133132233133313231323331323133313121111121111113313231321123121
>>
B33113313132313113313223313331323132333132313331312111112111111331323132112312
<<
B331133131323131133132233133313231323331323133313121111121111113313231321123123
>>
B331133131323131133132233133313231323331323133313121111121111113313231321123122
>>