B331133131323131133132233133313231323331323133313113313331322121111111111331
>>
B33113313132313113313223313331323132333132313331311331333132212111111111133
<<
B331133131323131133132233133313231323331323133313113313331322121111111111333
>>
B331133131323131133132233133313231323331323133313113313331322121111111111332
>>