B33113313132313113313223313331311331333132311331333133313113313221131
>>
B3311331313231311331322331333131133133313231133133313331311331322113
<<
B33113313132313113313223313331311331333132311331333133313113313221133
>>
B33113313132313113313223313331311331333132311331333133313113313221132
>>