B331133131323131133132233133313233313331322333121133133313331322132323321
>>
B33113313132313113313223313331323331333132233312113313331333132213232332
<<
B331133131323131133132233133313233313331322333121133133313331322132323323
>>
B331133131323131133132233133313233313331322333121133133313331322132323322
>>