B331133131323131133132233133313231323132333133313121111331322333132311331
>>
B33113313132313113313223313331323132313233313331312111133132233313231133
<<
B331133131323131133132233133313231323132333133313121111331322333132311333
>>
B331133131323131133132233133313231323132333133313121111331322333132311332
>>