B331133131323131133132233133313223313113313223313331323133313113313232212331
>>
B33113313132313113313223313331322331311331322331333132313331311331323221233
<<
B331133131323131133132233133313223313113313223313331323133313113313232212333
>>
B331133131323131133132233133313223313113313223313331323133313113313232212332
>>