B33113313132313113313223313331323331333132313321133133313331333133112323221111
>>
B3311331313231311331322331333132333133313231332113313331333133313311232322111
<<
B33113313132313113313223313331323331333132313321133133313331333133112323221113
>>
B33113313132313113313223313331323331333132313321133133313331333133112323221112
>>