B331133131323131133132233133313231333132333211331323133313331311113311
>>
B33113313132313113313223313331323133313233321133132313331333131111331
<<
B331133131323131133132233133313231333132333211331323133313331311113313
>>
B331133131323131133132233133313231333132333211331323133313331311113312
>>