B331133131323131133132233133313231323132333133313111333131133132313111211
>>
B33113313132313113313223313331323132313233313331311133313113313231311121
<<
B331133131323131133132233133313231323132333133313111333131133132313111213
>>
B331133131323131133132233133313231323132333133313111333131133132313111212
>>