B331133131323131133132233133313231323132333133313132322331323132322311111
>>
B33113313132313113313223313331323132313233313331313232233132313232231111
<<
B331133131323131133132233133313231323132333133313132322331323132322311113
>>
B331133131323131133132233133313231323132333133313132322331323132322311112
>>