B331133131323131133132233133313232213232233132313232233133313232233312321
>>
B33113313132313113313223313331323221323223313231323223313331323223331232
<<
B331133131323131133132233133313232213232233132313232233133313232233312323
>>
B331133131323131133132233133313232213232233132313232233133313232233312322
>>