B331133131323131133132233133313232213232233132313232233133313232311
>>
B33113313132313113313223313331323221323223313231323223313331323231
<<
B331133131323131133132233133313232213232233132313232233133313232313
>>
B331133131323131133132233133313232213232233132313232233133313232312
>>