B331133131323131133132233133313113313331311133313331333131133132313221311
>>
B33113313132313113313223313331311331333131113331333133313113313231322131
<<
B331133131323131133132233133313113313331311133313331333131133132313221313
>>
B331133131323131133132233133313113313331311133313331333131133132313221312
>>