B33113313132313113313223313331323133313221211331333133313331121211111331121
>>
B3311331313231311331322331333132313331322121133133313331333112121111133112
<<
B33113313132313113313223313331323133313221211331333133313331121211111331123
>>
B33113313132313113313223313331323133313221211331333133313331121211111331122
>>