B331133131323131133132233133313113313233313233313331322331323131133132322223311
>>
B33113313132313113313223313331311331323331323331333132233132313113313232222331
<<
B331133131323131133132233133313113313233313233313331322331323131133132322223313
>>
B331133131323131133132233133313113313233313233313331322331323131133132322223312
>>