B33113313132313113313223313331323133313223313231333133112111113223313231312111
>>
B3311331313231311331322331333132313331322331323133313311211111322331323131211
<<
B33113313132313113313223313331323133313223313231333133112111113223313231312113
>>
B33113313132313113313223313331323133313223313231333133112111113223313231312112
>>