B33132212112331323223313211232333132313331322331333133313331311222121311
>>
B3313221211233132322331321123233313231333132233133313331333131122212131
<<
B33132212112331323223313211232333132313331322331333133313331311222121313
>>
B33132212112331323223313211232333132313331322331333133313331311222121312
>>