B331133131323131133132233133313113313233313233313331322331323131121131212121
>>
B33113313132313113313223313331311331323331323331333132233132313112113121212
<<
B331133131323131133132233133313113313233313233313331322331323131121131212123
>>
B331133131323131133132233133313113313233313233313331322331323131121131212122
>>