B331133131323131133132233133313231323132333131232223323131111211
>>
B33113313132313113313223313331323132313233313123222332313111121
<<
B331133131323131133132233133313231323132333131232223323131111213
>>
B331133131323131133132233133313231323132333131232223323131111212
>>