B33113313132313113313223313331323133313221211331333133313331323133313112211211
>>
B3311331313231311331322331333132313331322121133133313331333132313331311221121
<<
B33113313132313113313223313331323133313221211331333133313331323133313112211213
>>
B33113313132313113313223313331323133313221211331333133313331323133313112211212
>>