B33113313132313113313223313331323133313231333132333133313331312312111
>>
B3311331313231311331322331333132313331323133313233313331333131231211
<<
B33113313132313113313223313331323133313231333132333133313331312312113
>>
B33113313132313113313223313331323133313231333132333133313331312312112
>>