B331133131323131133132233133313113313233313233313331322331323132311113321
>>
B33113313132313113313223313331311331323331323331333132233132313231111332
<<
B331133131323131133132233133313113313233313233313331322331323132311113323
>>
B331133131323131133132233133313113313233313233313331322331323132311113322
>>