B33113313132313113313223313331323331333132313321133133313331323132221111
>>
B3311331313231311331322331333132333133313231332113313331333132313222111
<<
B33113313132313113313223313331323331333132313321133133313331323132221113
>>
B33113313132313113313223313331323331333132313321133133313331323132221112
>>