B331133131323131133132233133313231323132333133313133313331323132112322221
>>
B33113313132313113313223313331323132313233313331313331333132313211232222
<<
B331133131323131133132233133313231323132333133313133313331323132112322223
>>
B331133131323131133132233133313231323132333133313133313331323132112322222
>>