B331133131323131133132233133313113313331311133313331333132333132322313111
>>
B33113313132313113313223313331311331333131113331333133313233313232231311
<<
B331133131323131133132233133313113313331311133313331333132333132322313113
>>
B331133131323131133132233133313113313331311133313331333132333132322313112
>>