B331133131323131133132233133313231323132333133313111333131232313231131
>>
B33113313132313113313223313331323132313233313331311133313123231323113
<<
B331133131323131133132233133313231323132333133313111333131232313231133
>>
B331133131323131133132233133313231323132333133313111333131232313231132
>>