B331133131323131133132233133313231323132333133313133313331323131133132112321
>>
B33113313132313113313223313331323132313233313331313331333132313113313211232
<<
B331133131323131133132233133313231323132333133313133313331323131133132112323
>>
B331133131323131133132233133313231323132333133313133313331323131133132112322
>>