B33113313132313113313223313331323133313221211331333132313331313112111121
>>
B3311331313231311331322331333132313331322121133133313231333131311211112
<<
B33113313132313113313223313331323133313221211331333132313331313112111123
>>
B33113313132313113313223313331323133313221211331333132313331313112111122
>>