B33113313132313113313223313331323133313223313231333133112111133133313221221221
>>
B3311331313231311331322331333132313331322331323133313311211113313331322122122
<<
B33113313132313113313223313331323133313223313231333133112111133133313221221223
>>
B33113313132313113313223313331323133313223313231333133112111133133313221221222
>>