B33113313132313113313223313331323133313221211331333133313331323321111132322221
>>
B3311331313231311331322331333132313331322121133133313331333132332111113232222
<<
B33113313132313113313223313331323133313221211331333133313331323321111132322223
>>
B33113313132313113313223313331323133313221211331333133313331323321111132322222
>>