B33113313132313113313223313331323132313331333133112323132313232213331
>>
B3311331313231311331322331333132313231333133313311232313231323221333
<<
B33113313132313113313223313331323132313331333133112323132313232213333
>>
B33113313132313113313223313331323132313331333133112323132313232213332
>>