B331133131323131133132233133313231323132333133313113313113313223313233112111
>>
B33113313132313113313223313331323132313233313331311331311331322331323311211
<<
B331133131323131133132233133313231323132333133313113313113313223313233112113
>>
B331133131323131133132233133313231323132333133313113313113313223313233112112
>>